{"Name":"Prader-Willi syndrome","DiseaseID__c":"GARD:0005575","id":5575,"encodedName":"prader-willi-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Prader-Willi syndrome","Xref_IDs__c":"89392001; C0032897; C75463; D011218; DOID:11983; MEDGEN:46057; MONDO:0008300; NBK1330; OMIM:176270; ORPHA:739; Q87.11","USA_Estimate__c":"50,000","No_of_Specialist_Tagsa__c":8,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":1,"No_of_HHS_records__c":2,"World_Estimate__c":"80,000 to 800,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":4,"No_of_Disease_Descriptions__c":5,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0008300","Disease_Description__c":"A rare genetic, neurodevelopmental syndrome characterized by hypothalamic-pituitary dysfunction with severe hypotonia and feeding deficits during the neonatal period followed by an excessive weight gain period with hyperphagia with a risk of severe obesity during childhood and adulthood, learning difficulties, deficits of social skills and behavioral problems or severe psychiatric problems.","GARD_Name__c":"Prader-Willi syndrome","GARD_Synonym__c":"prader labhart willi syndrome; prader willi syndrome; prader-labhart-willi syndrome; prader-willi-labhart syndrome; pws; willi-prader syndrome","Curated_Disease_Description_Source__c":"GARD:0005575","Curated_Disease_Description__c":"Prader-Willi syndrome is a complex genetic condition that affects many parts of the body. In infancy, this condition is characterized by weak muscle tone (hypotonia), feeding difficulties, poor growth, and delayed development. Beginning in childhood, affected individuals develop an extreme hunger, which leads to chronic overeating (hyperphagia) and obesity. Some people with Prader-Willi syndrome, particularly those with obesity, also develop type 2 diabetes (the most common form of diabetes). People with Prader-Willi syndrome typically have mild to moderate intellectual impairment and learning disabilities. Behavioral problems are common, including temper outbursts, stubbornness, and compulsive behavior such as picking at the skin. Sleep abnormalities can also occur. Additional features of this condition include distinctive facial features such as a narrow forehead, almond-shaped eyes, and a triangular mouth; short stature; and small hands and feet. Some people with Prader-Willi syndrome have unusually fair skin and light-colored hair. Both affected males and affected females have underdeveloped genitals. Puberty is delayed or incomplete, and most affected individuals are unable to have children (infertile).","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"50,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:739","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0008300","ORPHANET_ID__c":"ORPHA:739","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de prader-willi","Spanish_Description_Source__c":"ORPHA:739","Spanish_Description__c":"Es un síndrome genético poco frecuente del neurodesarrollo caracterizado por disfunción hipotálamo-hipofisaria con hipotonía grave y problemas en la alimentación durante el período neonatal seguidos de un período de aumento ponderal excesivo con hiperfagia y riesgo de obesidad grave durante la infancia y la edad adulta, dificultades de aprendizaje, déficit de habilidades sociales y trastornos de la conducta o problemas psiquiátricos graves.","Spanish_Disease_Name__c":"síndrome de prader-willi","Spanish_GARD_Synonym__c":"síndrome de prader-labhart-willi; síndrome de willi-prader","Category_Linearization__c":"ORPHA:93890","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"Prader-Willi syndrome is a complex genetic condition that affects many parts of the body. In infancy, this condition is characterized by weak muscle tone (hypotonia), feeding difficulties, poor growth, and delayed development. Beginning in childhood, affected individuals develop an extreme hunger, which leads to chronic overeating (hyperphagia) and obesity. Some people with Prader-Willi syndrome, particularly those with obesity, also develop type 2 diabetes (the most common form of diabetes). People with Prader-Willi syndrome typically have mild to moderate intellectual impairment and learning disabilities. Behavioral problems are common, including temper outbursts, stubbornness, and compulsive behavior such as picking at the skin. Sleep abnormalities can also occur. Additional features of this condition include distinctive facial features such as a narrow forehead, almond-shaped eyes, and a triangular mouth; short stature; and small hands and feet. Some people with Prader-Willi syndrome have unusually fair skin and light-colored hair. Both affected males and affected females have underdeveloped genitals. Puberty is delayed or incomplete, and most affected individuals are unable to have children (infertile).","Curated_Disease_Description_Source__c":"GARD:0005575","GARD_Synonym__c":"prader labhart willi syndrome; prader willi syndrome; prader-labhart-willi syndrome; prader-willi-labhart syndrome; pws; willi-prader syndrome","Name":"Prader-Willi syndrome","Curated_USA_Estimate__c":"50,000","estimateUsa":"50,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Alianza Iberoamericana de Enfermedades Raras o Poco Frecuentes","Website__c":"https://aliber.org/web/"},{"Account_Name__c":"Federación Mexicana de Enfermedades Raras (FEMEXER)","Website__c":"http://www.femexer.org/"},{"Account_Name__c":"Federación Española de Enfermedades Raras","Website__c":"https://enfermedades-raras.org/"},{"Account_Name__c":"Federación Colombiana de Enfermedades Raras","Website__c":"http://www.fecoer.org"},{"Account_Name__c":"Federación Argentina de Enfermedades Poco Frecuentes","Website__c":"https://fadepof.org.ar/"},{"Account_Name__c":"Asociación Todos Unidos Enfermedades Raras Uruguay","Website__c":"https://atueru.org.uy/"},{"Account_Name__c":"Prader-Willi Syndrome Association","Website__c":"https://www.pwsausa.org/"},{"Account_Name__c":"Foundation for Prader-Willi Research","Website__c":"https://www.fpwr.org/"},{"Account_Name__c":"International Prader-Willi Syndrome Organisation","Website__c":"https://ipwso.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Neurology","Tag_Category__c":"Disease Category;Specialist","category_description":"Neurological diseases affect the brain, spinal cord, cranial nerves, autonomic nerves, or other peripheral nerves.","curated_tag_name":"Neurological diseases"},{"Tag_Name__c":"Endocrine","Tag_Category__c":"Disease Category;Specialist","category_description":"Endocrine diseases affect hormone production or how the body responds to a specific hormone(s).","curated_tag_name":"Endocrine diseases"},{"Tag_Name__c":"Psychiatry","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"Tag_Name__c":"Urogenital Disorders","Tag_Category__c":"Disease Category","category_description":"Urinary and reproductive diseases affect the kidneys, ureters, bladder, urethra, or the reproductive organs.","curated_tag_name":"Urinary and reproductive diseases"},{"Tag_Name__c":"Obstetrics / Gynecology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Urologist","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Infertility","Tag_Category__c":"Account","curated_tag_name":"Infertility"},{"Tag_Name__c":"Pituitary deficiency","Tag_Category__c":"Account","curated_tag_name":"Pituitary deficiencies"},{"Tag_Name__c":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:739"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:739"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C0032897"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK1330","Source__c":"Gene Review","Xref__c":"NBK1330"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=89392001","Source__c":"C0032897; MONDO:0008300","Xref__c":"89392001"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0032897","Source__c":"C0032897","Xref__c":"C0032897"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A11983","Source__c":"MONDO:0008300","Xref__c":"DOID:11983"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C75463","Source__c":"C0032897; MONDO:0008300","Xref__c":"C75463"},{"URL__c":"https://www.omim.org/entry/176270","Source__c":"C0032897; MONDO:0008300; ORPHA:739","Xref__c":"OMIM:176270"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=46057","Source__c":"C0032897","Xref__c":"MEDGEN:46057"},{"URL__c":"https://www.orpha.net/en/disease/detail/739","Source__c":"C0032897; MONDO:0008300; ORPHA:739","Xref__c":"ORPHA:739"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C011218","Source__c":"C0032897; MONDO:0008300","Xref__c":"D011218"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0008300","Source__c":"GARD:0005575","Xref__c":"MONDO:0008300"},{"URL__c":"https://medlineplus.gov/genetics/condition/prader-willi-syndrome","Source__c":"GARD:0005575","Xref__c":"https://medlineplus.gov/genetics/condition/prader-willi-syndrome"},{"URL__c":"http://purl.bioontology.org/ontology/ICD10CM/Q87.11","Source__c":"MONDO:0008300","Xref__c":"Q87.11"},{"URL__c":"https://medlineplus.gov/praderwillisyndrome.html"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"IPW","Gene_Type__c":"non-coding RNA","Causal_Gene__c":true},{"GeneSymbol__c":"PWAR1","Gene_Type__c":"non-coding RNA","Causal_Gene__c":true},{"GeneSymbol__c":"NPAP1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"PWRN1","Gene_Type__c":"non-coding RNA","Causal_Gene__c":true},{"GeneSymbol__c":"SNORD116-1","Gene_Type__c":"non-coding RNA","Causal_Gene__c":true},{"GeneSymbol__c":"MAGEL2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"HERC2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"MKRN3","GHR_URL__c":"https://medlineplus.gov/genetics/gene/mkrn3","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true},{"GeneSymbol__c":"SNORD115-1","Gene_Type__c":"non-coding RNA","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Apparently small scrotum for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000046","HPO_Synonym__c":"Hypoplastic scrotum; Scrotal hypoplasia; Smaller than typical growth of scrotum; Underdeveloped scrotum","HPO_Name__c":"Small scrotum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Moderate intellectual disability (ID) is defined as a type of ID characterized by moderately sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) the range of 35-49.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002342","HPO_Synonym__c":"Intellectual disability, moderate; IQ between 34 and 49; Mental retardation, moderate; Moderate mental deficiency; Moderate mental retardation","HPO_Name__c":"Moderate intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000786","HPO_Name__c":"Primary amenorrhea","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of Developmental delay characterized by a delay in acquiring motor skills.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001270","HPO_Synonym__c":"Delay in development of motor milestones; Delay in motor development; Delayed development of motor milestones; Delayed early motor milestones; Delayed motor development; Delayed motor milestones; Locomotor delay; Motor developmental delay; Motor developmental milestones not achieved; Motor retardation; Retarded motor development; Slow development of motor milestones","HPO_Name__c":"Motor delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Osteopenia is a term to define bone density that is not normal but also not as low as osteoporosis. By definition from the World Health Organization osteopenia is defined by bone densitometry as a T score -1 to -2.5.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000938","HPO_Synonym__c":"Generalized osteopenia","HPO_Name__c":"Osteopenia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Impairment of certain skills such as reading or writing, coordination, self-control, or attention that interfere with the ability to learn. The impairment is not related to a global deficiency of intelligence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001328","HPO_Name__c":"Specific learning disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormally decreased size of the pituitary gland.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012506","HPO_Name__c":"Small pituitary gland","Feature_System__c":"Nervous System; Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal accumulation of fluid beneath the skin, or in one or more cavities of the body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000969","HPO_Synonym__c":"Dropsy; Fluid retention; Hydrops; Oedema; Water retention","HPO_Name__c":"Edema","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Changes in alignment of teeth in the dental arch","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000678","HPO_Synonym__c":"Crowded teeth; Dental crowding; Dental overcrowding; Overcrowding of teeth","HPO_Name__c":"Dental crowding","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of hypothyroidism due to an insufficient stimulation of an otherwise normal thyroid gland. Central hypothyroidism is caused by either pituitary (secondary hypothyroidism) or hypothalamic (tertiary hypothyroidism) defects.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011787","HPO_Name__c":"Central hypothyroidism","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The concentration of inhibin B in the blood circulation is below the lower limit of normal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031100","HPO_Name__c":"Decreased circulating inhibin B concentration","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Intense feelings of nervousness, tension, or panic often arise in response to interpersonal stresses. There is worry about the negative effects of past unpleasant experiences and future negative possibilities. Individuals may feel fearful, apprehensive, or threatened by uncertainty, and they may also have fears of falling apart or losing control.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000739","HPO_Synonym__c":"Anxiety; Anxiousness; Excessive, persistent worry and fear","HPO_Name__c":"Anxiety","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An increased susceptibility to respiratory infections as manifested by a history of recurrent respiratory infections.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002205","HPO_Synonym__c":"Frequent respiratory infections; Multiple respiratory infections; Recurrent respiratory infections; respiratory infections, recurrent; Susceptibility to respiratory infections","HPO_Name__c":"Recurrent respiratory infections","Feature_System__c":"Respiratory system; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of chronic increased pressure in the systemic arterial system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000822","HPO_Synonym__c":"Arterial hypertension; Systemic hypertension","HPO_Name__c":"Hypertension","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Impaired feeding performance of an infant as manifested by difficulties such as weak and ineffective sucking, brief bursts of sucking, and falling asleep during sucking. There may be difficulties with chewing or maintaining attention.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008872","HPO_Name__c":"Feeding difficulties in infancy","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A condition characterized by changes in personality and thought patterns, often accompanied by hallucinations and delusional beliefs, is known as psychosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000709","HPO_Synonym__c":"Psychosis","HPO_Name__c":"Psychosis","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of diabetes mellitus initially characterized by insulin resistance and hyperinsulinemia and subsequently by glucose interolerance and hyperglycemia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005978","HPO_Synonym__c":"Diabetes mellitus Type II; Diabetes mellitus, noninsulin-dependent; NIDDM; NIDDM diabetes mellitus; Non-insulin dependent diabetes; Noninsulin dependent diabetes mellitus; Noninsulin-dependent diabetes; Type 2 diabetes; Type II diabetes","HPO_Name__c":"Type II diabetes mellitus","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A deficiency or slowing down of growth pre- and postnatally.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001510","HPO_Synonym__c":"Delayed growth; Growth deficiency; Growth delay; Growth failure; Growth retardation; Poor growth; Retarded growth","HPO_Name__c":"Growth delay","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001612","HPO_Name__c":"Weak cry","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Temper tantrums are brief episodes of extreme, unpleasant, and sometimes aggressive behaviors in response to frustration or anger, which are a normal part of development in toddlers. Temper tantrums that occur more frequently in a given time and/or are more severe in symptomatology and/or longer in duration and/or inappropriate for the given age compared to a temper tantrum that naturally occurs as a part of the developmental process are classified as abnormal temper tantrums.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025160","HPO_Name__c":"Abnormal temper tantrums","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Undergrowth of the outer labia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000059","HPO_Synonym__c":"Hypoplasia of labia majora; Small labia majora; Underdeveloped vaginal lips","HPO_Name__c":"Hypoplastic labia majora","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal reduction in quantity or strength of fetal movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001558","HPO_Synonym__c":"Decreased fetal activity; Decreased fetal movements; Decreased movement in utero; Dminished fetal movement; Fetal hypokinesia; Less than 10 fetal movements in 12 hours; Reduced fetal movement; Reduced fetal movements","HPO_Name__c":"Decreased fetal movement","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Polymicrogyria (an excessive number of small gyri or convolutions) that is maximal in perisylvian regions (the regions that surround the Sylvian fissures), which may be symmetric or asymmetric and may extend beyond perisylvian regions. The Sylvian fissures often extend posteriorly and superiorly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012650","HPO_Synonym__c":"Frontoparietal polymicrogyria","HPO_Name__c":"Perisylvian polymicrogyria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Passing the age when puberty normally occurs with no physical or hormonal signs of the onset of puberty.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000823","HPO_Synonym__c":"Delayed pubertal development; Delayed pubertal growth; Delayed puberty; Pubertal delay","HPO_Name__c":"Delayed puberty","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000708","HPO_Synonym__c":"Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral symptoms; Behavioral/psychiatric abnormalities; Behavioural symptoms; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances","HPO_Name__c":"Atypical behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Osteoporosis is a systemic skeletal disease characterized by low bone density and microarchitectural deterioration of bone tissue with a consequent increase in bone fragility. According to the WHO criteria, osteoporosis is defined as a BMD that lies 2.5 standard deviations or more below the average value for young healthy adults (a T-score below -2.5 SD).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000939","HPO_Name__c":"Osteoporosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal morphology (form) of the face or its components.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001999","HPO_Synonym__c":"Abnormal facial shape; Abnormal morphology of the face; Distinctive facies; Dysmorphic facial features; Dysmorphic facies; Facial dysmorphism; Unusual facial appearance; Unusual facies","HPO_Name__c":"Abnormal facial shape","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001508","HPO_Synonym__c":"Faltering weight; FTT; Postnatal failure to thrive; Weight faltering","HPO_Name__c":"Failure to thrive","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the dental enamel.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006297","HPO_Synonym__c":"Dental enamel hypoplasia; Enamel hypotrophy; Enamel, underdeveloped; Hypoplasia of dental enamel; Hypoplasia of tooth enamel; Underdeveloped teeth enamel","HPO_Name__c":"Enamel hypoplasia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Insufficient responses to growth hormone (GH) provocation tests. GH deficiency is defined as a serum peak GH concentration less than 10 ng/mL on provocation with a combination of at least two separate stimulation tests.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000824","HPO_Name__c":"Decreased response to growth hormone stimulation test","Feature_System__c":"Nervous System; Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A decreased functionality of the gonad.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000135","HPO_Synonym__c":"Decreased activity of gonads","HPO_Name__c":"Hypogonadism","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A morphological abnormality of the mouth in which the angle of the mouth is downturned. The oral commissures are positioned inferior to the midline labial fissure.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002714","HPO_Synonym__c":"Downturned corners of mouth; Downturned corners of the mouth; Downturned mouth; Downturned oral commisures","HPO_Name__c":"Downturned corners of mouth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Feeding problem necessitating nasogastric tube feeding.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011470","HPO_Name__c":"Nasogastric tube feeding in infancy","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Any abnormality of the teeth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000164","HPO_Synonym__c":"Abnormal dentition; Abnormal teeth; Dental abnormalities; Dental abnormality; Dental anomalies","HPO_Name__c":"Abnormality of the dentition","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A height below that which is expected according to age and sex norms. Although there is no universally accepted definition of short stature, many refer to \\\"short stature\\\" as height more than 2 standard deviations below the mean for age and sex (or below the 3rd percentile for age and sex dependent norms).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004322","HPO_Synonym__c":"Decreased body height; Height less than 3rd percentile; Short stature; Small stature; Stature below 3rd percentile","HPO_Name__c":"Short stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Excessive fat around the stomach and abdomen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012743","HPO_Synonym__c":"Abdominal obesity; Central obesity","HPO_Name__c":"Abdominal obesity","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A condition in which the stomach contents leak backwards from the stomach into the esophagus through the lower esophageal sphincter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002020","HPO_Synonym__c":"Acid reflux; Acid reflux disease; Gastro-esophageal reflux; Gastroesophageal reflux disease; GERD; GORD; Heartburn","HPO_Name__c":"Gastroesophageal reflux","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A misalignment of the eyes so that the visual axes deviate from bifoveal fixation. The classification of strabismus may be based on a number of features including the relative position of the eyes, whether the deviation is latent or manifest, intermittent or constant, concomitant or otherwise and according to the age of onset and the relevance of any associated refractive error.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000486","HPO_Synonym__c":"Cross-eyed; Squint; Squint eyes","HPO_Name__c":"Strabismus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased susceptibility to erysipelas, as manifested by a medical history of repeated episodes of erysipelas, which is a superficial infection of the skin, typically involving the lymphatic system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001055","HPO_Name__c":"Erysipelas","Feature_System__c":"Skin System; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Concentration of growth hormone in the blood circulation below normal limits.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0034323","HPO_Synonym__c":"Growth hormone deficiency; Somatotropin deficiency","HPO_Name__c":"Reduced circulating growth hormone concentration","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of refraction characterized by the ability to see objects nearby clearly, while objects in the distance appear blurry.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000545","HPO_Synonym__c":"Close sighted; Near sighted; Near sightedness; Nearsightedness","HPO_Name__c":"Myopia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005599","HPO_Synonym__c":"Hair hypopigmentation; Loss of hair color","HPO_Name__c":"Hypopigmentation of hair","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Attention deficit hyperactivity disorder (ADHD) manifests at age 2-3 years or by first grade at the latest. The main symptoms are distractibility, impulsivity, hyperactivity, and often trouble organizing tasks and projects, difficulty going to sleep, and social problems from being aggressive, loud, or impatient.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007018","HPO_Synonym__c":"ADHD; Attention deficit; Attention deficit disorder; Attention deficit-hyperactivity disorder; Attention deficits; Childhood attention deficit/hyperactivity disorder","HPO_Name__c":"Attention deficit hyperactivity disorder","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Sudden impairment of blood flow to a part of the brain due to occlusion or rupture of an artery to the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001297","HPO_Synonym__c":"Cerebral vascular events; Cerebrovascular accident; Stroke","HPO_Name__c":"Stroke","Feature_System__c":"Nervous System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduction of skin color related to a decrease in melanin production and deposition.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001010","HPO_Synonym__c":"Hypopigmentation; Hypopigmented skin; Patchy lightened skin","HPO_Name__c":"Hypopigmentation of the skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Inflammation of the periodontium.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000704","HPO_Synonym__c":"Pyorrhea","HPO_Name__c":"Periodontitis","Feature_System__c":"Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of refraction characterized by the ability to see objects in the distance clearly, while objects nearby appear blurry.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000540","HPO_Synonym__c":"Farsightedness; Hyperopia; Long-sightedness","HPO_Name__c":"Hypermetropia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of hypothyroidism that results from a defect in thyroid-stimulating hormone secretion.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008245","HPO_Synonym__c":"Low thyroid gland function due to abnormal pituitary gland; Secondary hypothyroidism; Thyroid stimulating hormone deficiency; Thyrotropin deficiency; TSH deficient hypothyroidism","HPO_Name__c":"Pituitary hypothyroidism","Feature_System__c":"Nervous System; Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000064","HPO_Synonym__c":"Underdeveloped inner lips","HPO_Name__c":"Hypoplastic labia minora","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A shape created by an acute downward arching of the upper eyelid and upward arching of the lower eyelid, toward the medial canthus, which gives the outline of the palpebral fissures the configuration of an almond. Thus, the maximum distance between the fissures is offset from, and medial to, the center point.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007874","HPO_Synonym__c":"Almond shaped eyes; Almond-shaped opening between the eyelids","HPO_Name__c":"Almond-shaped palpebral fissure","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the cerebral white matter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002500","HPO_Synonym__c":"Abnormality of subcortical white matter; Abnormality of the cerebral white matter; Cerebral white matter abnormalities; Leukoaraiosis; White matter abnormalities; White matter alterations","HPO_Name__c":"Abnormal cerebral white matter morphology","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"A form of adrenal insufficiency related to a lack of ACTH, which leads to a decrease in the production of cortisol by the adrenal glands. Aldosterone production is not usually affected.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011734","HPO_Synonym__c":"Secondary adrenal insufficiency","HPO_Name__c":"Central adrenal insufficiency","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Persistent deficits in social interaction and communication and interaction as well as a markedly restricted repertoire of activity and interest as well as repetitive patterns of behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000729","HPO_Synonym__c":"ASD; Pervasive developmental disorder","HPO_Name__c":"Autistic behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Borderline intellectual disability is defined as an intelligence quotient (IQ) in the range of 70-85.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006889","HPO_Synonym__c":"Intellectual disability, borderline; Mental retardation, borderline","HPO_Name__c":"Borderline intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced volume of the testicle (the male gonad).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008734","HPO_Synonym__c":"Decreased testicular size; Decreased testicular volume; Hypoplastic testes; Reduced testicular volume; Small testes; Small testis; Testicular hypoplasia","HPO_Name__c":"Decreased testicular size","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A neurological anomaly with gross overeating associated with an abnormally strong desire or need to eat.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002591","HPO_Synonym__c":"Hyperphagia; Voracious appetite","HPO_Name__c":"Polyphagia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A state of abnormally strong desire for sleep during the daytime.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001262","HPO_Synonym__c":"Excessive daytime sleepiness; More than typical sleepiness during day","HPO_Name__c":"Excessive daytime somnolence","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Underdevelopment of part or all of the external reproductive organs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003241","HPO_Synonym__c":"Hypogenitalism; Small genitalia; Underdevelopment of external reproductive organs","HPO_Name__c":"External genital hypoplasia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of developmental dysplasia of the hip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001385","HPO_Synonym__c":"Congenital hip dysplasia; DDH; Developmental dysplasia of the hip","HPO_Name__c":"Hip dysplasia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduced ability to discriminate between different temperatures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010829","HPO_Synonym__c":"Abnormality of temperature sensation; Impaired temperature sensation; Impaired thermal sensitivity; Loss of temperature sensation","HPO_Name__c":"Impaired temperature sensation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduction of the circulating level of a gonadotropin, that is, of a protein hormone secreted by gonadotrope cells of the anterior pituitary of vertebrates. The primary gonadotropins are luteinizing hormone (LH) and follicle-stimulating hormone (FSH).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030339","HPO_Synonym__c":"Decreased circulating gonadotropin level","HPO_Name__c":"Decreased circulating gonadotropin concentration","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Onset of adrenarche at an earlier age than usual.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012412","HPO_Name__c":"Premature adrenarche","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Forceful ejection of the contents of the stomach through the mouth by means of a series of involuntary spasmic contractions.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002013","HPO_Synonym__c":"Emesis; Throwing up; Vomiting","HPO_Name__c":"Vomiting","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A measured foot length that is more than 2 SD below the mean for a newborn of 27 - 41 weeks gestation, or foot that is less than the 3rd centile for individuals from birth to 16 years of age (objective). Alternatively, a foot that appears disproportionately short (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001773","HPO_Synonym__c":"Hypoplastic feet; Short feet; Short foot; Small feet","HPO_Name__c":"Short foot","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormally increased tendency to fractures of bones caused by an abnormal reduction in bone strength that is generally associated with an increased risk of fracture.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002659","HPO_Synonym__c":"Abnormal susceptibility to fractures; Bone fragility; Frequent broken bones; Increased bone fragility; Increased susceptibility to fractures; Increased tendency to fractures","HPO_Name__c":"Increased susceptibility to fractures","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Mild intellectual disability (ID) is defined as a type of ID characterized by mildly sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) the range of 50-69.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001256","HPO_Synonym__c":"Intellectual disability, mild; Mental retardation, borderline-mild; Mild and nonprogressive mental retardation; Mild mental retardation","HPO_Name__c":"Mild intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A degree of language development that is significantly below the norm for a child of a specified age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000750","HPO_Synonym__c":"Deficiency of speech development; Delayed language development; Delayed speech; Delayed speech acquisition; Delayed speech and language development; Delayed speech development; Impaired speech and language development; Impaired speech development; Language delay; Language delayed; Language development deficit; Late-onset speech development; Poor language development; Speech and language delay; Speech and language difficulties; Speech delay","HPO_Name__c":"Delayed speech and language development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduced ability to secrete adrenocorticotropic hormone (ACTH), a hormone that stimulates the adrenal cortex to secrete of glucocorticoids such as cortisol.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011748","HPO_Synonym__c":"ACTH deficiency; Corticotropin deficiency","HPO_Name__c":"Adrenocorticotropic hormone deficiency","Feature_System__c":"Nervous System; Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Repetitive and compulsive picking of skin which results in tissue damage.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012166","HPO_Synonym__c":"Compulsive skin picking; Dermatillomania","HPO_Name__c":"Skin-picking","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Obstructive Sleep Apnea is a condition characterized by the obstruction of the airway and pauses in breathing during sleep, which occur multiple times throughout the night. It is related to the relaxation of muscle tone that typically happens during sleep, leading to a partial collapse of the soft tissues in the airway and causing airflow obstruction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002870","HPO_Name__c":"Obstructive sleep apnea","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Uncommon (<1-4%)","Feature__r":{"HPO_Description__c":"The onset of secondary sexual characteristics before a normal age. Although it is difficult to define normal age ranges because of the marked variation with which puberty begins in normal children, precocious puberty can be defined as the onset of puberty before the age of 8 years in girls or 9 years in boys.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000826","HPO_Synonym__c":"Early onset of puberty; Early puberty","HPO_Name__c":"Precocious puberty","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Disproportionately small hand.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200055","HPO_Synonym__c":"Disproportionately small hands; Small hand","HPO_Name__c":"Small hand","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the clitoris.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000060","HPO_Synonym__c":"Hypoplastic clitoris; Small clitoris; Underdeveloped clit","HPO_Name__c":"Clitoral hypoplasia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduction of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001265","HPO_Synonym__c":"Decreased reflex response; Decreased reflexes","HPO_Name__c":"Hyporeflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An anomaly of metabolism or structure of the brain identified by imaging.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0410263","HPO_Synonym__c":"Abnormal brain imaging","HPO_Name__c":"Brain imaging abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An inadequate sucking reflex, resulting in the difficult of newborns to be breast-fed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002033","HPO_Synonym__c":"Poor suck; Poor sucking; Sucking weakness","HPO_Name__c":"Poor suck","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The onset of growth of pubic hair at an earlier age than normal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012411","HPO_Synonym__c":"Premature pubic hair growth","HPO_Name__c":"Premature pubarche","Feature_System__c":"Endocrine System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Dryness of the mouth due to salivary gland dysfunction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000217","HPO_Synonym__c":"Dry mouth; Dry mouth syndrome; Reduced salivation","HPO_Name__c":"Xerostomia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Difficulty in swallowing.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002015","HPO_Synonym__c":"Difficulty swallowing; Poor swallowing; Swallowing difficulties; Swallowing difficulty","HPO_Name__c":"Dysphagia","Feature_System__c":"Nervous System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Decreased strength of the muscle layer of stomach, which leads to a decreased ability to empty the contents of the stomach despite the absence of obstruction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002578","HPO_Synonym__c":"Delayed gastric emptying","HPO_Name__c":"Gastroparesis","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An increase in size of the ventricular system of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002119","HPO_Synonym__c":"Cerebral ventricular dilatation; Dilated cerebral ventricle; Dilated cerebral ventricles; Dilated ventricles; Enlarged cerebral ventricles; Enlarged ventricles; Enlarged ventricular system; Large cerebral ventricles and cisternae; Ventricular dilatation","HPO_Name__c":"Ventriculomegaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Decreased width of the bony bridge of the nose.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000446","HPO_Synonym__c":"Narrow bridge of nose; Narrow nasal bridge; Narrow nasal root; Nasal Bridge, Narrow; Nasal bridge, thin","HPO_Name__c":"Narrow nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001252","HPO_Synonym__c":"Low muscle tone; Low or weak muscle tone; Muscle hypotonia; Muscular hypotonia","HPO_Name__c":"Hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Sleep apnea results from a temporary loss of the central drive to the muscles responsible for breathing.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010536","HPO_Synonym__c":"Central sleep apnoea","HPO_Name__c":"Central sleep apnea","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000789","HPO_Synonym__c":"Infertility","HPO_Name__c":"Infertility","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormality of REM Sleep are phases of REM sleep are characterized by desynchronized EEG patterns, increases in heart rate and blood pressure, sympathetic activation, and a profound loss of muscle tone except for the eye and middle-ear muscles. There are also phases of rapid eye movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002494","HPO_Synonym__c":"Abnormal REM sleep","HPO_Name__c":"Abnormal rapid eye movement sleep","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:739","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormally increased rate of skeletal maturation. Accelerated skeletal maturation can be diagnosed on the basis of an estimation of the bone age from radiographs of specific bones in the human body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005616","HPO_Synonym__c":"Advanced bone age; Early bone maturation; Premature epiphyseal closure; Premature epiphyseal ossification; Premature fusion of the epiphyseal growth plate","HPO_Name__c":"Accelerated skeletal maturation","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Endocrine","Congenital Abnormality","Urogenital Disorders"],"Specialist":["Genetics","Neurology","Endocrine","Psychiatry","Obstetrics / Gynecology","Urologist","Neurodevelopmental disabilities","Pediatrics"],"Account":["Infertility","Pituitary deficiency"]},"synonyms":["prader labhart willi syndrome"," prader willi syndrome"," prader-labhart-willi syndrome"," prader-willi-labhart syndrome"," pws"," willi-prader syndrome"],"spanishId":12004,"spanishName":"sindrome-de-prader-willi"}