{"Name":"Desmosterolosis","DiseaseID__c":"GARD:0010283","id":10283,"encodedName":"desmosterolosis","IsDeleted":false,"Disease_Name_Full__c":"Desmosterolosis","Xref_IDs__c":"709490002; C1865596; C566555; DOID:0070654; MEDGEN:400801; MONDO:0011217; OMIM:602398; ORPHA:35107","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":5,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":1,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":1,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":3,"Description_Source__c":"MONDO:0011217","Disease_Description__c":"Desmosterolosis is a very rare sterol biosynthesis disorder characterized by multiple congenital anomalies, failure to thrive, and intellectual disability, with elevated levels of desmosterol.","GARD_Name__c":"Desmosterolosis","GARD_Synonym__c":null,"Curated_Disease_Description_Source__c":"MONDO:0011217","Curated_Disease_Description__c":"Desmosterolosis is a condition that is characterized by neurological problems, such as brain abnormalities and developmental delay, and can also include other signs and symptoms. Children with desmosterolosis have delayed speech and motor skills (such as sitting and walking). Later in childhood, some affected individuals are able to walk with support; verbal communication is often limited to a few words or phrases. Common brain abnormalities in desmosterolosis include malformation of the tissue that connects the left and right halves of the brain (the corpus callosum) and loss of white matter, which consists of nerve fibers covered by a fatty substance called myelin. People with desmosterolosis commonly have muscle stiffness (spasticity) and stiff, rigid joints (arthrogryposis) affecting their hands and feet. Other features seen in some affected individuals include short stature, abnormal head size (either larger or smaller than normal), a small lower jaw (micrognathia), an opening in the roof of the mouth (cleft palate), involuntary eye movements (nystagmus) or eyes that do not look in the same direction (strabismus), heart defects, and seizures.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy, at Birth, and as an Infant","SourceID__c":"ORPHA:35107","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0011217","ORPHANET_ID__c":"ORPHA:35107","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Desmosterolosis","Spanish_Description_Source__c":"ORPHA:35107","Spanish_Description__c":"La desmosterolosis es un trastorno muy poco frecuente de la biosíntesis de esteroles caracterizado por múltiples anomalías congénitas, retraso del crecimiento, y discapacidad intelectual con niveles elevados de desmosterol.","Spanish_Disease_Name__c":"desmosterolosis","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:93419","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":"Desmosterolosis is a condition that is characterized by neurological problems, such as brain abnormalities and developmental delay, and can also include other signs and symptoms. Children with desmosterolosis have delayed speech and motor skills (such as sitting and walking). Later in childhood, some affected individuals are able to walk with support; verbal communication is often limited to a few words or phrases. Common brain abnormalities in desmosterolosis include malformation of the tissue that connects the left and right halves of the brain (the corpus callosum) and loss of white matter, which consists of nerve fibers covered by a fatty substance called myelin. People with desmosterolosis commonly have muscle stiffness (spasticity) and stiff, rigid joints (arthrogryposis) affecting their hands and feet. Other features seen in some affected individuals include short stature, abnormal head size (either larger or smaller than normal), a small lower jaw (micrognathia), an opening in the roof of the mouth (cleft palate), involuntary eye movements (nystagmus) or eyes that do not look in the same direction (strabismus), heart defects, and seizures.","Curated_Disease_Description_Source__c":"MONDO:0011217","Name":"Desmosterolosis","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Metabolic Support UK","Website__c":"https://www.metabolicsupportuk.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":"Inborn Errors of Metabolism","Tag_Category__c":"Cause;Disease Category","category_description":"Inherited metabolic diseases, or inborn errors of metabolism, are a group of genetic diseases that affect the ability of the body's cells to convert food into energy.","curated_tag_name":"Inherited metabolic diseases"},{"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":"Orthopedics","Tag_Category__c":"Specialist"},{"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":"Antenatal","Provided_By__c":"ORPHA:35107"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:35107"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:35107"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C1865596"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0010283","Source__c":"RareSource"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=709490002","Source__c":"C1865596; MONDO:0011217","Xref__c":"709490002"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=400801","Source__c":"C1865596","Xref__c":"MEDGEN:400801"},{"URL__c":"https://www.orpha.net/en/disease/detail/35107","Source__c":"C1865596; MONDO:0011217; ORPHA:35107","Xref__c":"ORPHA:35107"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C566555","Source__c":"MONDO:0011217","Xref__c":"C566555"},{"URL__c":"https://www.omim.org/entry/602398","Source__c":"C1865596; MONDO:0011217; ORPHA:35107","Xref__c":"OMIM:602398"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1865596","Source__c":"C1865596","Xref__c":"C1865596"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0011217","Source__c":"GARD:0010283","Xref__c":"MONDO:0011217"},{"URL__c":"https://medlineplus.gov/genetics/condition/desmosterolosis","Source__c":"GARD:0010283","Xref__c":"https://medlineplus.gov/genetics/condition/desmosterolosis"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0070654","Source__c":"MONDO:0011217","Xref__c":"DOID:0070654"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"DHCR24","GHR_URL__c":"https://medlineplus.gov/genetics/gene/dhcr24","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased volume of the earlobe, that is, abnormally prominent ear lobules.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009748","HPO_Synonym__c":"Fleshy earlobe; Fleshy earlobes; Large earlobe; Prominent ear lobes; Prominent ear lobules","HPO_Name__c":"Large earlobe","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001257","HPO_Synonym__c":"Involuntary muscle stiffness, contraction, or spasm; Muscle spasticity; Muscular spasticity","HPO_Name__c":"Spasticity","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Partial or complete wasting (atrophy) of the skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004334","HPO_Synonym__c":"Atrophic skin; Skin atrophy; Skin degeneration","HPO_Name__c":"Dermal atrophy","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A condition in which muscles cannot be moved quickly without accompanying pain or spasm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003552","HPO_Name__c":"Muscle stiffness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Ambiguous genitalia can be evaluated using the Prader scale: Prader 0: Normal female external genitalia. Prader 1: Female external genitalia with clitoromegaly. Prader 2: Clitoromegaly with partial labial fusion forming a funnel-shaped urogenital sinus. Prader 3: Increased phallic enlargement. Complete labioscrotal fusion forming a urogenital sinus with a single opening. Prader 4: Complete scrotal fusion with urogenital opening at the base or on the shaft of the phallus. Prader 5: Normal male external genitalia. The diagnosis of ambiguous genitalia is made for Prader 1-4.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000062","HPO_Synonym__c":"Ambiguous external genitalia; Ambiguous external genitalia at birth; Intersex genitalia","HPO_Name__c":"Ambiguous genitalia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the gyri (i.e., the ridges) of the cerebral cortex of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002536","HPO_Synonym__c":"Abnormal gyration; Cerebral gyral anomalies","HPO_Name__c":"Abnormal cortical gyration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Polymicrogyria is a congenital malformation of the cerebral cortex characterized by abnormal cortical layering (lamination) and an excessive number of small gyri (folds).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002126","HPO_Synonym__c":"More grooves in brain","HPO_Name__c":"Polymicrogyria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A developmental defect characterized by abnormal connection of one or more pulmonary veins to the superior or inferior vena cava, the right atrium, or the coronary sinus, resulting in a left-to-right shunt of oxygenated blood.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010772","HPO_Name__c":"Anomalous pulmonary venous return","Feature_System__c":"Cardiovascular System; Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Pachygyria is a malformation of cortical development with abnormally wide gyri with sulci 1,5-3 cm apart and abnormally thick cortex measuring more than 5 mm (radiological definition). See also neuropathological definitions for 2-, 3-, and 4-layered lissencephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001302","HPO_Synonym__c":"Cerebral pachygyria; Fewer and broader ridges in brain; Macrogyria","HPO_Name__c":"Pachygyria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality in which the mandible is mislocalised posteriorly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000278","HPO_Synonym__c":"Lower jaw retrognathia; Lower jaw retrusion; Mandibular retrognathia; Mandibular retrusion; Receding chin; Receding lower jaw; Receding mandible; Retrognathia of lower jaw; Retrusion of lower jaw; Weak chin; Weak jaw","HPO_Name__c":"Retrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Bilateral bulging of the lateral frontal bone prominences with relative sparing of the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002007","HPO_Synonym__c":"Frontal protuberance; Skull bossing","HPO_Name__c":"Frontal bossing","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Occipitofrontal (head) circumference greater than 97th centile compared to appropriate, age matched, sex-matched normal standards. Alternatively, a apparently increased size of the cranium.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000256","HPO_Synonym__c":"Increased size of cranium; Increased size of skull; Large head; Large head circumference; Macrocephalus; Macrocrania; Megacephaly","HPO_Name__c":"Macrocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A fold of skin starting above the medial aspect of the upper eyelid and arching downward to cover, pass in front of and lateral to the medial canthus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000286","HPO_Synonym__c":"Epicanthal fold; Epicanthal folds; Epicanthic folds; Eye folds; Palpebronasal fold; Plica palpebronasalis; Prominent eye folds","HPO_Name__c":"Epicanthus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A deformity of foot and ankle that has different subtypes that are talipes equinovarus, talipes equinovalgus, talipes calcaneovarus and talipes calcaneovalgus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001883","HPO_Name__c":"Talipes","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal increase of bone mineral density, that is, of the amount of matter per cubic centimeter of bones which is often referred to as osteosclerosis. Osteosclerosis can be detected on radiological examination as an increased whiteness (density) of affected bones.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011001","HPO_Synonym__c":"Increased bone density; Increased bone mineral density; Osteosclerosis; Osteosclerosis of bones","HPO_Name__c":"Increased bone mineral density","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","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:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011968","HPO_Synonym__c":"Decreased oral intake; Feeding difficulties; Feeding problems; Poor feeding","HPO_Name__c":"Feeding difficulties","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner canthi of the eye and extending posteriorly to the ear.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000369","HPO_Synonym__c":"Low set ears; Low-set ears; Low-set pinnae; Lowset ears; Melotia","HPO_Name__c":"Low-set ears","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence or underdevelopment of the kidney.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008678","HPO_Synonym__c":"Absent/small kidney; Absent/underdeveloped kidney; Renal agenesis/hypoplasia; Renal aplasia/hypoplasia","HPO_Name__c":"Renal hypoplasia/aplasia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001643","HPO_Synonym__c":"Ductus arteriosus; Patent ductus Botalli; PDA; Persistent arterial duct; Persistent ductus arteriosus","HPO_Name__c":"Patent ductus arteriosus","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Distance from nasion to subnasale more than two standard deviations below the mean, or alternatively, an apparently decreased length from the nasal root to the nasal tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003196","HPO_Synonym__c":"Decreased length of nose; Hypoplastic nose; Nasal hypoplasia; Short nose; Shortened nose","HPO_Name__c":"Short nose","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Uvula separated into two parts most easily seen at the tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000193","HPO_Synonym__c":"Bifid palatine uvula; Cleft of uvula; Cleft uvula; Forked uvula; Split uvula; Uvula bifida","HPO_Name__c":"Bifid uvula","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Forward prominence of the entire forehead, due to protrusion of the frontal bone.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011220","HPO_Synonym__c":"Prominence of frontal region; Prominent forehead; Pronounced forehead; Protruding forehead","HPO_Name__c":"Prominent forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","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:35107","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:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the lobule of pinna.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000363","HPO_Synonym__c":"Abnormal earlobe; Abnormal lobe of ear; Abnormality of auricular lobule; Abnormality of ear lobe; Abnormality of earlobe; Abnormality of lobulus auriculae","HPO_Name__c":"Abnormal earlobe morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the intestinal rotation and fixation that normally occurs during the development of the gut. This can lead to volvulus, or twisting of the intestine that causes obstruction and necrosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002566","HPO_Synonym__c":"Malrotation","HPO_Name__c":"Intestinal malrotation","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality resulting from an anomaly of neuronal migration, i.e., of the process by which neurons travel from their origin to their final position in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002269","HPO_Synonym__c":"Abnormal neuronal migration; Heterotopias/abnormal migration; Migrational brain disorder; Neuronal migration disorder","HPO_Name__c":"Abnormality of neuronal migration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The metatarsals are deviated medially (tibially), that is, the bones in the front half of the foot bend or turn in toward the body.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001840","HPO_Synonym__c":"Forefoot varus; Front half of foot turns inward; Metatarsus adductovarsus; Metatarsus varus; Sickle foot; Sickled feet","HPO_Name__c":"Metatarsus adductus","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal increased size of the spleen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001744","HPO_Synonym__c":"Increased spleen size; Large spleen","HPO_Name__c":"Splenomegaly","Feature_System__c":"Cardiovascular System; Immune System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000175","HPO_Synonym__c":"Cleft hard and soft palate; Cleft of hard and soft palate; Cleft of palate; Cleft palate; Cleft roof of mouth; Palatoschisis; Uranostaphyloschisis","HPO_Name__c":"Cleft palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the nose.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000366","HPO_Synonym__c":"Abnormality of the nose; Anomaly of the nose; Nasal abnormality; Nasal anomaly","HPO_Name__c":"Abnormality of the nose","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008065","HPO_Synonym__c":"Absent/small skin; Absent/underdeveloped skin","HPO_Name__c":"Aplasia/Hypoplasia of the skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000238","HPO_Synonym__c":"Hydrocephaly; Nonsyndromal hydrocephalus; Too much cerebrospinal fluid in the brain","HPO_Name__c":"Hydrocephalus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hard-palate submucous clefts are characterized by bony defects in the midline of the bony palate that are covered by the mucous membrane of the roof of the mouth. It may be possible to detect a submucous cleft hard palate upon palpation as a notch in the bony palate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000176","HPO_Synonym__c":"Partial thickness cleft hard palate","HPO_Name__c":"Submucous cleft hard palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of the septum pellucidum (meaning translucent wall in Latin - SP), also known as the ventricle of Sylvius. The septum pellucidum is a thin, triangular double membrane separating the frontal horns of the right and left lateral ventricles of the brain. It extends between the anterior portion of the corpus callosum, and the body of the fornix and its width varies from 1.5 to 3.0 mm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001331","HPO_Synonym__c":"Absence of septum pellucidum; Absence of the septum pellucidum; Agenesis of the septum pellucidum; Missing septum pellucidum","HPO_Name__c":"Absent septum pellucidum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001274","HPO_Synonym__c":"Absence of corpus callosum; Absent corpus callosum; Agenesis of the corpus callosum; Callosal agenesis; Corpus callosum agenesis; Dysplastic or absent corpus callosum","HPO_Name__c":"Agenesis of corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A severe degree of short stature, more than -4 SD from the mean corrected for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003510","HPO_Synonym__c":"Dwarfism; Proportionate dwarfism; Severe short stature; Short stature, extreme; Short stature, severe","HPO_Name__c":"Severe short stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Agenesis, that is, failure of the kidney to develop during embryogenesis and development.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000104","HPO_Synonym__c":"Absent kidney; Missing kidney; Renal aplasia","HPO_Name__c":"Renal agenesis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of abnormal location of the ears in which the position of the ears is characterized by posterior rotation (the superior part of the ears is rotated towards the back of the head, and the inferior part of the ears towards the front).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000358","HPO_Synonym__c":"Ear, posterior angulation, increased; Ears rotated toward back of head; Posteriorly angulated ears; Posteriorly rotated; Posteriorly rotated auricles; Posteriorly-angulated ears; Posteriorly-rotated ears","HPO_Name__c":"Posteriorly rotated ears","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Continuous involuntary sustained muscle contraction. When an affected muscle is passively stretched, the degree of resistance remains constant regardless of the rate at which the muscle is stretched. This feature helps to distinguish rigidity from muscle spasticity.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002063","HPO_Synonym__c":"Muscle rigidity; Rigidity","HPO_Name__c":"Rigidity","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001276","HPO_Synonym__c":"Hypertonicity; Increased muscle tone","HPO_Name__c":"Hypertonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormally increased formation of dense trabecular bone tissue. Despite the increased density of bone tissue, osteopetrotic bones tend to be more fracture-prone than normal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011002","HPO_Synonym__c":"Harder, denser, fracture-prone bones","HPO_Name__c":"Osteopetrosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","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:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The palpebral fissure inclination is more than two standard deviations below the mean.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000494","HPO_Synonym__c":"Antimongoloid eye slant; Antimongoloid slant of palpebral fissures; Antimongoloid slanted palpebral fissures; Down slanting palpebral fissures; Down-slanted palpebral fissures; Down-slanting palpebral fissure; Down-slanting palpebral fissures; Downslanting palpebral fissure; Downslanting palpebral fissures; Downward slanted palpebral fissures; Downward slanting of the opening between the eyelids; Downward slanting palpebral fissures; Downward-slanting palpebral fissures; Palpebral fissures down-slanted","HPO_Name__c":"Downslanted palpebral fissures","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000347","HPO_Synonym__c":"Decreased size of lower jaw; Decreased size of mandible; Hypoplasia of lower jaw; Hypoplasia of mandible; Hypoplastic mandible; Hypoplastic mandible condyle; Hypotrophic lower jaw; Hypotrophic mandible; Little lower jaw; Little mandible; Lower jaw deficiency; Lower jaw hypoplasia; Mandibular deficiency; Mandibular hypoplasia; Mandibular micrognathia; Micrognathia of lower jaw; Micromandible; Robin mandible; Severe hypoplasia of mandible; Small jaw; Small lower jaw; Small mandible; Underdevelopment of lower jaw; Underdevelopment of mandible","HPO_Name__c":"Micrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of abnormally small extremities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002983","HPO_Synonym__c":"Smaller or shorter than typical limbs","HPO_Name__c":"Micromelia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000639","HPO_Synonym__c":"Involuntary, rapid, rhythmic eye movements","HPO_Name__c":"Nystagmus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Posterior positioning of the nasal root in relation to the overall facial profile for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005280","HPO_Synonym__c":"Depressed bridge of nose; Depressed nasal bridge; Depressed nasal root; Flat bridge of nose; Flat nasal bridge; Flat nasal root; Flat, nasal bridge; Flattened nasal bridge; Low nasal bridge; Low nasal root; Retruded bridge of nose; Retruded nasal bridge","HPO_Name__c":"Depressed nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Status epilepticus is a type of prolonged seizure resulting either from the failure of the mechanisms responsible for seizure termination or from the initiation of mechanisms which lead to abnormally prolonged seizures (after time point t1). It is a condition that can have long-term consequences (after time point t2), including neuronal death, neuronal injury, and alteration of neuronal networks, depending on the type and duration of seizures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002133","HPO_Synonym__c":"Prolonged seizure; Repeated seizure without recovery; Repeated seizures without recovery between them","HPO_Name__c":"Status epilepticus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Distance between the commissures of the mouth more than 2 SD below the mean. Alternatively, an apparently decreased width of the oral aperture (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000160","HPO_Synonym__c":"Microstomia; Narrow mouth; Small mouth; Small oral aperture","HPO_Name__c":"Narrow mouth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001511","HPO_Synonym__c":"Fetal growth restriction; FGR; In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant","HPO_Name__c":"Intrauterine growth retardation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:35107","HPO_Frequency__c":"Very frequent (80-99%)","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:35107","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A spectrum of malformations of cortical development caused by insufficient neuronal migration that subsumes the terms agyria, pachygyria and subcortical band heterotopia. See also neuropathological definitions for 2-, 3-, and 4-layered lissencephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001339","HPO_Synonym__c":"Fewer or absent grooves in brain","HPO_Name__c":"Lissencephaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Inborn Errors of Metabolism"],"Disease Category":["Genetics","Neurology","Inborn Errors of Metabolism","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Orthopedics","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":[""]}