{"Name":"Megalencephaly-severe kyphoscoliosis-overgrowth syndrome","DiseaseID__c":"GARD:0017805","id":17805,"encodedName":"megalencephaly-severe-kyphoscoliosis-overgrowth-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Megalencephaly-severe kyphoscoliosis-overgrowth syndrome","Xref_IDs__c":"C5681123; MEDGEN:1814470; MONDO:0018710; ORPHA:457359","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":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":2,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":1,"Description_Source__c":"ORPHA:457359","Disease_Description__c":"A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by overgrowth and macrocephaly with megalencephaly apparent at birth, global developmental delay, intellectual disability, and dysmorphic facial features (including frontal bossing, long face, sparse eyebrows, hypertelorism, downslanting palpebral fissures, and prognathism). Patients may exhibit tall stature with dolichostenomelia, arachnodactyly, kyphoscoliosis, and joint laxity, as well as neurologic manifestations, such as hypotonia, gait ataxia, or seizures. Brain imaging may show increased white matter volume, thick corpus callosum, or small cerebellum.","GARD_Name__c":"Megalencephaly-severe kyphoscoliosis-overgrowth syndrome","GARD_Synonym__c":"megalencephaly, severe kyphoscoliosis, overgrowth syndrome","Curated_Disease_Description_Source__c":"ORPHA:457359","Curated_Disease_Description__c":"A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by overgrowth and macrocephaly with megalencephaly apparent at birth, global developmental delay, intellectual disability, and dysmorphic facial features (including frontal bossing, long face, sparse eyebrows, hypertelorism, downslanting palpebral fissures, and prognathism). Patients may exhibit tall stature with dolichostenomelia, arachnodactyly, kyphoscoliosis, and joint laxity, as well as neurologic manifestations, such as hypotonia, gait ataxia, or seizures. Brain imaging may show increased white matter volume, thick corpus callosum, or small cerebellum.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn","SourceID__c":"ORPHA:457359","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0018710","ORPHANET_ID__c":"ORPHA:457359","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de megalencefalia-cifoscoliosis grave-sobrecrecimiento","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome de megalencefalia-cifoscoliosis grave-sobrecrecimiento","Spanish_GARD_Synonym__c":null,"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":"A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by overgrowth and macrocephaly with megalencephaly apparent at birth, global developmental delay, intellectual disability, and dysmorphic facial features (including frontal bossing, long face, sparse eyebrows, hypertelorism, downslanting palpebral fissures, and prognathism). Patients may exhibit tall stature with dolichostenomelia, arachnodactyly, kyphoscoliosis, and joint laxity, as well as neurologic manifestations, such as hypotonia, gait ataxia, or seizures. Brain imaging may show increased white matter volume, thick corpus callosum, or small cerebellum.","Curated_Disease_Description_Source__c":"ORPHA:457359","GARD_Synonym__c":"megalencephaly, severe kyphoscoliosis, overgrowth syndrome","Name":"Megalencephaly-severe kyphoscoliosis-overgrowth syndrome","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"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":"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":"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:457359"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5681123","Source__c":"C5681123","Xref__c":"C5681123"},{"URL__c":"https://www.orpha.net/en/disease/detail/457359","Source__c":"C5681123; MONDO:0018710; ORPHA:457359","Xref__c":"ORPHA:457359"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1814470","Source__c":"C5681123","Xref__c":"MEDGEN:1814470"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0018710","Source__c":"GARD:0017805","Xref__c":"MONDO:0018710"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1260143005","Source__c":"C5681123","Xref__c":"1260143005"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"HERC1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased inferior-superior length of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000472","HPO_Synonym__c":"Cervical elongation; Elongated neck; Increased cervical length; Increased length of neck; Long neck","HPO_Name__c":"Long neck","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Decreased density/number of eyebrow hairs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0045075","HPO_Synonym__c":"Hypotrichosis of eyebrow; Sparse eyebrow; Sparse eyebrows","HPO_Name__c":"Sparse eyebrow","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","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:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000218","HPO_Synonym__c":"Elevated palate; High arched palate; High palate; High, arched palate; High-arched palate; Increased palatal height; Palate high-arched; Palate, high-arched","HPO_Name__c":"High palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Facial height (length) is more than 2 standard deviations above the mean (objective); or, an apparent increase in the height (length) of the face (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000276","HPO_Synonym__c":"Elongation of face; Increased height of face; Increased length of face; Increased vertical dimension of face; Long face; Long facies; Vertical elongation of face; Vertical enlargement of face; Vertical excess of face; Vertical Facial Excess; Vertical hyperplasia of face; Vertical overgrowth of face","HPO_Name__c":"Long face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the cortex of the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002120","HPO_Synonym__c":"Cerebral cortex atrophy; Cortical atrophy; Decrease in size of the outer layer of the brain due to loss of brain cells","HPO_Name__c":"Cerebral cortical atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Diffuse enlargement of the entire cerebral hemispheres leading to macrocephaly (with or without overlying cortical dysplasia).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001355","HPO_Synonym__c":"Macrencephaly","HPO_Name__c":"Megalencephaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Facial contour, as viewed from the front, triangular in shape, with breadth at the temples and tapering to a narrow chin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000325","HPO_Synonym__c":"Face with broad temples and narrow chin; Inverted triangular face; Triangular face; Triangular facial shape; Triangular facies","HPO_Name__c":"Triangular face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","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:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal accentuation of the inward curvature of the spine in the lumbar region.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002938","HPO_Synonym__c":"Exaggerated lumbar lordosis; Excessive inward curvature of lower spine; Increased lumbar lordosis; Lumbar lordosis; Prominent lumbar lordosis","HPO_Name__c":"Lumbar hyperlordosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal prominence of the chin related to increased length of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000303","HPO_Synonym__c":"Big lower jaw; Big mandible; Enlarged mandible; Enlargement of mandible; Hyperplasia of lower jaw; Increased projection of lower jaw; Increased projection of mandible; Increased size of lower jaw; Large lower jaw; Large mandible; Lower jaw excess; Lower jaw hyperplasia; Macromandible; Mandible prognathism; Mandibular excess; Mandibular hyperplasia; Mandibular macrognathia; Mandibular prognathism; Prognathia; Prognathism; Prominent chin; Prominent jaw; Prominent lower jaw; Prominent mandible; Relative mandibular prognathism","HPO_Name__c":"Mandibular prognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Severe intellectual disability (ID) is defined as a type of ID characterized by severely sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) the range of 20-34.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010864","HPO_Synonym__c":"Early and severe mental retardation; Intellectual disability, severe; Mental retardation, severe; Severe mental retardation","HPO_Name__c":"Severe intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","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:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Complete lack of development of speech and language abilities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001344","HPO_Synonym__c":"Absent speech development; Lack of language development; Lack of speech; No speech development; No speech or language development; Nonverbal","HPO_Name__c":"Absent speech","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A bilateral tonic-clonic seizure is a seizure defined by a tonic (bilateral increased tone, lasting seconds to minutes) and then a clonic (bilateral sustained rhythmic jerking) phase.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002069","HPO_Synonym__c":"Bilateral convulsive seizures; Generalised tonic-clonic seizure (without specification of onset); Generalized convulsion; Generalized tonic-clonic seizure (without specification of onset); Grand mal; Grand mal seizures; Seizures, tonic-clonic; Tonic-clonic convulsion; Tonic-clonic convulsions","HPO_Name__c":"Bilateral tonic-clonic seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Median longitudinal ear length greater than two standard deviations above the mean and median ear width greater than two standard deviations above the mean (objective); or, apparent increase in length and width of the pinna (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000400","HPO_Synonym__c":"Large ears; Large pinnae","HPO_Name__c":"Macrotia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced muscle tone of a muscle that is innervated by the facial nerve (the seventh cranial nerve).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000297","HPO_Synonym__c":"Decreased facial muscle tone; Hypotonic facies; Low facial muscle tone; Reduced facial muscle tone","HPO_Name__c":"Facial hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A severe delay in the acquisition of the ability to use language to communicate needs, wishes, or thoughts.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006863","HPO_Name__c":"Severe expressive language delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of hydrocephalus in which there is no visible obstruction to the flow of the cerebrospinal fluid between the ventricles and subarachnoid space.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001334","HPO_Name__c":"Communicating hydrocephalus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A tall and slim body build with increased arm span to height ratio (>1.05) and a reduced upper-to-lower segment ratio (<0.85), i.e., unusually long arms and legs. The extremities as well as the hands and feet are unusually slim.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001519","HPO_Synonym__c":"Dolichostenomelia; Marfanoid body habitus; Marfanoid habitus; Reduced upper-lower segment ratio","HPO_Name__c":"Disproportionate tall stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Habitual flow of saliva out of the mouth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002307","HPO_Synonym__c":"Dribbling; Drooling; Sialorrhea","HPO_Name__c":"Drooling","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduced ability to participate in the back-and-forth flow of social interaction appropriate to culture and developmental level, which is normally characterized by an influence of the behavior of one person on the behavior of another person. This results in difficulty interacting with others through emotional, physical, or verbal communication.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012760","HPO_Synonym__c":"Impaired social interaction; Impaired social interactions; Impaired social reciprocity; Poor social interactions","HPO_Name__c":"Reduced social responsiveness","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001763","HPO_Synonym__c":"Flat feet; Flat foot","HPO_Name__c":"Pes planus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal curvature of the spine in both a coronal (lateral) and sagittal (back-to-front) plane.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002751","HPO_Name__c":"Kyphoscoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased back to front length of the foot.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001833","HPO_Synonym__c":"Disproportionately large feet; large feet; long feet; Long foot","HPO_Name__c":"Long foot","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Lack of symmetry between the left and right halves of the thorax.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001555","HPO_Synonym__c":"Asymmetric chest","HPO_Name__c":"Asymmetry of the thorax","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Excessive postnatal growth which may comprise increased weight, increased length, and/or increased head circumference.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001548","HPO_Synonym__c":"General overgrowth","HPO_Name__c":"Overgrowth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Exaggerated anterior convexity of the thoracic vertebral column.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002808","HPO_Synonym__c":"Gibbus deformity; Hunched back; Hyperkyphosis; Round back","HPO_Name__c":"Kyphosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","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:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Anterior positioning of the nasal root in comparison to the usual positioning for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000426","HPO_Synonym__c":"Elevated nasal bridge; High nasal bridge; Prominent bridge of nose; Prominent nasal bridge; Prominent nasal root; Protruding bridge of nose; Protruding nasal bridge","HPO_Name__c":"Prominent nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","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:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The term large for gestational age applies to babies whose birth weight lies above the 90th percentile for that gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001520","HPO_Synonym__c":"Birth weight > 90th percentile; Birthweight > 90th percentile; Fetal macrosomia; Macrosomia; Macrosomia, neonatal","HPO_Name__c":"Large for gestational age","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Interpupillary distance more than 2 SD above the mean (alternatively, the appearance of an increased interpupillary distance or widely spaced eyes).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000316","HPO_Synonym__c":"Excessive orbital separation; Increased distance between eye sockets; Increased distance between eyes; Increased interpupillary distance; Ocular hypertelorism; Wide-set eyes; Widely spaced eyes; Widened interpupillary distance","HPO_Name__c":"Hypertelorism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Cerebellar hypoplasia is a descriptive term implying a cerebellum with a reduced volume, but a normal shape and is stable over time.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001321","HPO_Synonym__c":"Congenital cerebellar hypoplasia; Hypoplasia of cerebellum; Hypoplastic cerebellum; Small cerebellum; Underdeveloped cerebellum","HPO_Name__c":"Cerebellar hypoplasia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Premature fusion of the metopic suture.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011330","HPO_Synonym__c":"Metopic craniosynostosis; Metopic suture craniosynostosis","HPO_Name__c":"Metopic synostosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormally small penis. At birth, the normal penis is about 3 cm (stretched length from pubic tubercle to tip of penis) with micropenis less than 2.0-2.5 cm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000054","HPO_Synonym__c":"Short penis; Small penis","HPO_Name__c":"Micropenis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A reduction in the freedom of movement of one or more joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001376","HPO_Synonym__c":"Decreased joint mobility; Decreased mobility of joints; Limitation of joint mobility; Limited joint mobility; Limited joint motion","HPO_Name__c":"Limitation of joint mobility","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased vertical dimension of the corpus callosum. This feature can be visualized by sagittal sections on magnetic resonance tomography imaging of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007074","HPO_Synonym__c":"Abnormal size of corpus callosum; Large corpus callosum","HPO_Name__c":"Thick corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001998","HPO_Synonym__c":"Low blood sugar in newborn","HPO_Name__c":"Neonatal hypoglycemia","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormally long and slender fingers (spider fingers).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001166","HPO_Synonym__c":"Long slender fingers; Long, slender fingers; Spider fingers","HPO_Name__c":"Arachnodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007204","HPO_Name__c":"Diffuse white matter abnormalities","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","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:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A severe form of myopia with greater than -6.00 diopters.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011003","HPO_Synonym__c":"Severe myopia; Severe myopia (> -6.00 diopters); Severe near sightedness; Severely close sighted; Severely near sighted","HPO_Name__c":"High myopia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An eye that is protruding anterior to the plane of the face to a greater extent than is typical.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000520","HPO_Synonym__c":"Anterior bulging of the globe; Anterior bulging of the globe of eye; Bulging eye; Exophthalmos; Eyeballs bulging out; Ocular proptosis; Prominent eyes; Prominent globes; Protruding eyes; Protrusio bulbi","HPO_Name__c":"Proptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000272","HPO_Synonym__c":"Decreased size of malar bone; Depressed malar region; Flat cheekbone; Malar hypoplasia; Underdevelopment of malar bone; Zygomatic flattening","HPO_Name__c":"Malar flattening","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Regional increase in the width (height) of the eyebrow.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011229","HPO_Synonym__c":"Broad eyebrow; Broad eyebrows; Flared eyebrow; Increased vertical height of eyebrow; Increased vertical thickness of eyebrow","HPO_Name__c":"Broad eyebrow","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","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:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Asthenic habitus refers to a slender build with long limbs, an angular profile, and prominent muscles or bones.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001533","HPO_Synonym__c":"Asthenic habitus; Slender build; Thin body habitus; Thin build","HPO_Name__c":"Slender build","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The capability that a joint (or a group of joints) has to move, passively and/or actively, beyond normal limits along physiological axes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001382","HPO_Synonym__c":"Double-Jointed; Extensible joints; Flexible joints; Hyperextensible joints; Increased joint mobility; Increased mobility of joints; Joint hyperextensibility; Joint hyperflexibility; Joint hyperlaxity; Joint laxity; Joints move beyond expected range of motion; Lax joints; Loose-jointedness","HPO_Name__c":"Joint hypermobility","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of ataxia characterized by the impairment of the ability to coordinate the movements required for normal walking. Gait ataxia is characteirzed by a wide-based staggering gait with a tendency to fall.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002066","HPO_Synonym__c":"Ataxia of gait; Ataxic gait; Inability to coordinate movements when walking","HPO_Name__c":"Gait ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The term gait disturbance can refer to any disruption of the ability to walk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001288","HPO_Synonym__c":"Abnormal gait; Abnormal walk; Difficulty in walking; Gait abnormalities; Gait difficulties; Gait disturbances; Impaired gait; Walking disability","HPO_Name__c":"Gait disturbance","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The palpebral fissure inclination is more than two standard deviations above the mean for age (objective); or, the inclination of the palpebral fissure is greater than typical for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000582","HPO_Synonym__c":"Mongoloid slant; Upslanting palpebral fissures; Upward slanted palpebral fissures; Upward slanting of palpebral fissures; Upward slanting of the opening between the eyelids; Upward slanting palpebral fissures","HPO_Name__c":"Upslanted palpebral fissure","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:457359","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced depth of the orbits associated with prominent-appearing ocular globes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000586","HPO_Synonym__c":"Decreased depth of eye sockets; Decreased depth of orbits; Shallow eye sockets; Small shallow orbits","HPO_Name__c":"Shallow orbits","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Endocrine","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Endocrine","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["megalencephaly, severe kyphoscoliosis, overgrowth syndrome"]}