{"Name":"Richieri Costa-da Silva syndrome","DiseaseID__c":"GARD:0004709","id":4709,"encodedName":"richieri-costa-da-silva-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Richieri Costa-da Silva syndrome","Xref_IDs__c":"782941005; C2930978; C535675; MEDGEN:419686; MONDO:0009716; OMIM:255710; ORPHA:3101","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":6,"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":1,"Disease_Characteristics_Score__c":5,"No_of_Age_at_Onset__c":1,"Description_Source__c":"ORPHA:3101","Disease_Description__c":"Richieri Costa-da Silva syndrome is a rare, genetic, myotonic syndrome characterized by childhood onset of progressive and severe myotonia (with generalized muscular hypertrophy and progressive impairment of gait), short stature, skeletal abnormalities (including pectus carinatum, short, wedge-shaped thoracolumbar vertebrae, kyphoscoliosis, genu valgum, irregular femoral epiphyses), and mild to moderate intellectual deficiency. No facial dysmorphism nor joint limitation is associated. There have been no further descriptions in the literature since 1984.","GARD_Name__c":"Richieri Costa-da Silva syndrome","GARD_Synonym__c":"myotonia-intellectual disability-skeletal anomalies syndrome; myotonia, intellectual disability, skeletal anomalies syndrome","Curated_Disease_Description_Source__c":"ORPHA:3101","Curated_Disease_Description__c":"Richieri Costa-da Silva syndrome is a rare, genetic, myotonic syndrome characterized by childhood onset of progressive and severe myotonia (with generalized muscular hypertrophy and progressive impairment of gait), short stature, skeletal abnormalities (including pectus carinatum, short, wedge-shaped thoracolumbar vertebrae, kyphoscoliosis, genu valgum, irregular femoral epiphyses), and mild to moderate intellectual deficiency. No facial dysmorphism nor joint limitation is associated. There have been no further descriptions in the literature since 1984.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Child","SourceID__c":"ORPHA:3101","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0009716","ORPHANET_ID__c":"ORPHA:3101","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de richieri costa-da silva","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome de richieri costa-da silva","Spanish_GARD_Synonym__c":"síndrome de miotonia-discapacidad intelectual-anomalías esqueléticas","Category_Linearization__c":"ORPHA:98006","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":"Richieri Costa-da Silva syndrome is a rare, genetic, myotonic syndrome characterized by childhood onset of progressive and severe myotonia (with generalized muscular hypertrophy and progressive impairment of gait), short stature, skeletal abnormalities (including pectus carinatum, short, wedge-shaped thoracolumbar vertebrae, kyphoscoliosis, genu valgum, irregular femoral epiphyses), and mild to moderate intellectual deficiency. No facial dysmorphism nor joint limitation is associated. There have been no further descriptions in the literature since 1984.","Curated_Disease_Description_Source__c":"ORPHA:3101","GARD_Synonym__c":"myotonia-intellectual disability-skeletal anomalies syndrome; myotonia, intellectual disability, skeletal anomalies syndrome","Name":"Richieri Costa-da Silva syndrome","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Reach: The Association for Children with Hand or Arm Deficiency","Website__c":"https://www.reach.org.uk/"},{"Account_Name__c":"Birth Defect Research for Children","Website__c":"https://www.birthdefects.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":"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":"Neuromuscular medicine","Tag_Category__c":"Specialist","curated_tag_name":"Neuromuscular medicine"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Childhood","Provided_By__c":"ORPHA:3101"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C2930978","Source__c":"C2930978","Xref__c":"C2930978"},{"URL__c":"https://www.omim.org/entry/255710","Source__c":"MONDO:0009716; ORPHA:3101","Xref__c":"OMIM:255710"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=419686","Source__c":"C2930978","Xref__c":"MEDGEN:419686"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C535675","Source__c":"MONDO:0009716","Xref__c":"C535675"},{"URL__c":"https://www.orpha.net/en/disease/detail/3101","Source__c":"C2930978; MONDO:0009716; ORPHA:3101","Xref__c":"ORPHA:3101"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0009716","Source__c":"GARD:0004709","Xref__c":"MONDO:0009716"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=782941005","Source__c":"C2930978","Xref__c":"782941005"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced strength of the distal musculature of the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009053","HPO_Synonym__c":"Distal muscle weakness in lower limbs; Muscle weakness, lower limb, distal","HPO_Name__c":"Distal lower limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Slowed relaxation of muscles in the arm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012903","HPO_Name__c":"Myotonia of the upper limb","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal shape of the vertebral bodies whereby the vertebral bodies are thick on one side and taper to a thin edge at the other.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008422","HPO_Synonym__c":"anterior wedging; Wedge-shaped vertebrae; Wedged vertebrae","HPO_Name__c":"Vertebral wedging","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005638","HPO_Name__c":"Decreased anterioposterior diameter of lumbar vertebral bodies","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","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:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"Displacement or malalignment of joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001373","HPO_Synonym__c":"Joint dislocation; Joint dislocations","HPO_Name__c":"Joint dislocation","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Difficulty releasing one's grip associated with prolonged first handgrip relaxation times.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012899","HPO_Synonym__c":"Grip myotonia","HPO_Name__c":"Handgrip myotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"Distance between the hairline (trichion) and the glabella (the most prominent point on the frontal bone above the root of the nose), in the midline, more than two SD below the mean. Alternatively, an apparently decreased distance between the hairline and the glabella.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000294","HPO_Synonym__c":"Low frontal hairline; Low-set frontal hairline","HPO_Name__c":"Low anterior hairline","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"History of repeated intermittent involuntary muscle contractions that were painful.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011964","HPO_Name__c":"Intermittent painful muscle spasms","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"A separation of the rectus abdominis muscle into right and left halves (which are normally joined at the midline at the linea alba).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001540","HPO_Synonym__c":"Gap between large left and right abdominal muscles","HPO_Name__c":"Diastasis recti","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A deformity of the chest caused by overgrowth of the ribs and characterized by protrusion of the sternum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000768","HPO_Synonym__c":"Pigeon chest","HPO_Name__c":"Pectus carinatum","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","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:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Anterior tongue-like protrusions of the vertebral bodies.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004568","HPO_Synonym__c":"anterior beaking; Anterior beaking of vertebrae; Anterior beaking of vertebral bodies; Beaked vertebral bodies; Vertebral tongue-like protrusion","HPO_Name__c":"Beaking of vertebral bodies","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","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:3101","HPO_Frequency__c":"Frequent (30-79%)","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:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The legs angle inward, such that the knees are close together and the ankles far apart.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002857","HPO_Synonym__c":"Genu valga; Genu valgus; Genua valga; Knee joint valgus deformity; Knock knees","HPO_Name__c":"Genu valgum","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"Diminished length of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000470","HPO_Synonym__c":"Decreased length of neck; Short neck","HPO_Name__c":"Short neck","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","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:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Stiffness of the limbs (a condition in which muscles cannot be moved quickly without accompanying pain or spasm) occurring in an asymmetric pattern.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007156","HPO_Name__c":"Asymmetric limb muscle stiffness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003199","HPO_Synonym__c":"Decreased muscle mass","HPO_Name__c":"Decreased muscle mass","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced intensity (volume) of speech.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001621","HPO_Synonym__c":"Quiet voice; Soft voice; Weak voice","HPO_Name__c":"Weak voice","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","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:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Profound intellectual disability (ID) is defined as a type of ID characterized by profoundly sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) below 20.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002187","HPO_Synonym__c":"Intellectual disability, profound; IQ less than 20; Mental retardation, profound; Profound mental retardation","HPO_Name__c":"Profound intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A generalized decrease in bone mineral density.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006462","HPO_Name__c":"Generalized bone demineralization","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001284","HPO_Synonym__c":"Absent deep tendon reflexes; Absent tendon reflexes; Deep tendon reflexes absent; Loss of deep tendon reflexes; Lost deep tendon reflexes","HPO_Name__c":"Areflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"A persistent (minutes to hours) abnormal increase in the pitch (frequency) of the voice for the context or social situation or significantly different from baseline of the individual.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001620","HPO_Synonym__c":"High pitched voice; High-pitched voice","HPO_Name__c":"Abnormally high-pitched voice","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal increase in muscle size and mass not due to training.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003712","HPO_Synonym__c":"Hypertrophic muscles; Increased skeletal muscle cells; Muscle hypertrophy; Muscular hypertrophy","HPO_Name__c":"Skeletal muscle hypertrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Very frequent (80-99%)","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:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"A fixed reduction in the vertical distance between the upper and lower eyelids with short palpebral fissures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000581","HPO_Synonym__c":"Decreased width of palpebral fissure; Narrow opening between the eyelids","HPO_Name__c":"Blepharophimosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Occasional (5-29%)","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:3101","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:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of spontaneous bursts of rapidly firing potentials that recur at regular intervals of 2-10 per second and are unaffected by voluntary effort. This is an electromyographic (EMG) finding.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100288","HPO_Name__c":"EMG: myokymic discharges","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Procedure_EMG"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Incapability to ambulate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002540","HPO_Synonym__c":"Inability to walk; Non-ambulatory","HPO_Name__c":"Inability to walk","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Excluded (0%)","Feature__r":{"HPO_Description__c":"Absence of concavity or convexity of the face when viewed in profile.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012368","HPO_Synonym__c":"Flat face; Flat facial profile; Flat facial shape; Flat facies","HPO_Name__c":"Flat face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of strabismus with one or both eyes turned inward ('crossed') to a relatively severe degree, usually defined as 10 diopters or more.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000565","HPO_Synonym__c":"Inward turning cross eyed","HPO_Name__c":"Esotropia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:3101","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002527","HPO_Synonym__c":"Falls","HPO_Name__c":"Falls","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Orthopedics","Neurodevelopmental disabilities","Neuromuscular medicine","Pediatrics"]},"synonyms":["myotonia-intellectual disability-skeletal anomalies syndrome"," myotonia, intellectual disability, skeletal anomalies syndrome"]}