{"Name":"King Denborough syndrome","DiseaseID__c":"GARD:0008433","id":8433,"encodedName":"king-denborough-syndrome","IsDeleted":false,"Disease_Name_Full__c":"King Denborough syndrome","Xref_IDs__c":"764957003; C1840365; C536883; C537504; MEDGEN:327082; MONDO:0020485; OMIM:619542; ORPHA:99741","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":4,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":3,"Description_Source__c":"MONDO:0020485","Disease_Description__c":"King-Denborough syndrome is a rare genetic non-dystrophic myopathy characterized by the triad of congenital myopathy, dysmorphic features and susceptibility to malignant hyperthermia. Patients present with a wide phenotypic range, including delayed motor development, muscle weakness and fatigability, ptosis and facies myopathica (with or without creatine kinase elevations), skeletal abnormalities (e.g. short stature, scoliosis, kyphosis, lumbar lordosis and pectus carinatum/excavatum), mild dysmorphic facial features (e.g. hypertelorism, down-slanting palpebral fissures, epicanthic folds, low set ears, micrognathia), webbing of the neck, cryptorchidism, and a susceptibility to malignant hyperthermia and/or rhabdomyolysis due to intensive physical strain, viral infection or statin use.","GARD_Name__c":"King Denborough syndrome","GARD_Synonym__c":"kds; king-denborough syndrome; koussef nichols syndrome; koussef-nichols syndrome","Curated_Disease_Description_Source__c":"GARD:0008433","Curated_Disease_Description__c":"King Denborough syndrome is a congenital myopathy associated with susceptibility to malignant hyperthermia, skeletal abnormalities and dysmorphic features with characteristic facial appearance. Although the cause of King Denborough syndrome is not fully understood, at least some cases have been attributed to the ryanodine receptor gene (RYR1), which has been tied to malignant hyperthermia and central core disease.","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:99741","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0020485","ORPHANET_ID__c":"ORPHA:99741","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de king-denborough","Spanish_Description_Source__c":"ORPHA:99741","Spanish_Description__c":"El síndrome de King-Denborough es una miopatía no distrófica genética y poco frecuente, caracterizada por la tríada de miopatía congénita, rasgos dismórficos y susceptibilidad a la hipertermia maligna. Los afectados presentan un amplio rango fenotípico, que incluye retraso del desarrollo motor, debilidad muscular y fatiga, ptosis y facies miopática (con o sin aumento de creatina quinasa), anomalías esqueléticas (por ejemplo, talla baja, escoliosis, cifosis, lordosis lumbar y pectus carinatum/excavatum), rasgos faciales dismórficos leves (p. ej., hipertelorismo, fisuras palpebrales inclinadas hacia abajo, pliegues epicánticos, orejas de baja implantación baja, micrognatia), pliegues en el cuello, criptorquidia y susceptibilidad a hipertermia maligna y/o rabdomiolisis debida a esfuerzo físico intenso, infección viral o al uso de estatinas.","Spanish_Disease_Name__c":"síndrome de king-denborough","Spanish_GARD_Synonym__c":"síndrome de koussef-nichols","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":"King Denborough syndrome is a congenital myopathy associated with susceptibility to malignant hyperthermia, skeletal abnormalities and dysmorphic features with characteristic facial appearance. Although the cause of King Denborough syndrome is not fully understood, at least some cases have been attributed to the ryanodine receptor gene (RYR1), which has been tied to malignant hyperthermia and central core disease.","Curated_Disease_Description_Source__c":"GARD:0008433","GARD_Synonym__c":"kds; king-denborough syndrome; koussef nichols syndrome; koussef-nichols syndrome","Name":"King Denborough syndrome","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"RYR-1 Foundation","Website__c":"https://www.ryr1.org/"},{"Account_Name__c":"Malignant Hyperthermia Association of the United States","Website__c":"https://www.mhaus.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":"Antenatal","Provided_By__c":"ORPHA:99741"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:99741"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:99741"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C1840365"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0008433","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK1146","Source__c":"Gene Review","Xref__c":"NBK1146"},{"URL__c":"https://www.omim.org/entry/619542","Source__c":"C1840365; MONDO:0020485","Xref__c":"OMIM:619542"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1840365","Source__c":"C1840365","Xref__c":"C1840365"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C537504","Source__c":"MONDO:0020485","Xref__c":"C537504"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=764957003","Source__c":"C1840365; MONDO:0020485","Xref__c":"764957003"},{"URL__c":"https://www.orpha.net/en/disease/detail/99741","Source__c":"MONDO:0020485","Xref__c":"ORPHA:99741"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=327082","Source__c":"C1840365","Xref__c":"MEDGEN:327082"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C536883","Source__c":"MONDO:0020485","Xref__c":"C536883"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0020485","Source__c":"GARD:0008433","Xref__c":"MONDO:0020485"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"RYR1","GHR_URL__c":"https://medlineplus.gov/genetics/gene/ryr1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A position of the fetus at delivery in which the fetus enters the birth canal with the buttocks or feet first.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001623","HPO_Synonym__c":"Breech presentation at birth; Feet or buttocks of fetus positioned near opening of uterus","HPO_Name__c":"Breech presentation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","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":"OMIM:619542","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The occurrence of an unusually high amount of muscle pain following exercise.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003738","HPO_Synonym__c":"Exercise-induced muscle pain; Muscle pain on exercise; Muscle pain with exercise; Muscle pain, exercise-induced","HPO_Name__c":"Exercise-induced myalgia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of Developmental delay characterized by a delay in acquiring motor skills.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001270","HPO_Synonym__c":"Delay in development of motor milestones; Delay in motor development; Delayed development of motor milestones; Delayed early motor milestones; Delayed motor development; Delayed motor milestones; Locomotor delay; Motor developmental delay; Motor developmental milestones not achieved; Motor retardation; Retarded motor development; Slow development of motor milestones","HPO_Name__c":"Motor delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A lack of strength of the proximal muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003701","HPO_Synonym__c":"Muscle weakness, proximal; Proximal limb muscle weakness; Proximal limb weakness; Weakness in muscles of upper arms and upper legs","HPO_Name__c":"Proximal muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal predominance of type I muscle fibers (in general, this feature can only be observed on muscle biopsy).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003803","HPO_Synonym__c":"Type I muscle fiber predominance","HPO_Name__c":"Type 1 muscle fiber predominance","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Pterygium colli is a congenital skin fold that runs along the sides of the neck down to the shoulders. It involves an ectopic fibrotic facial band superficial to the trapezius muscle. Excess hair-bearing skin is also present and extends down the cervical region well beyond the normal hairline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000465","HPO_Synonym__c":"Neck webbing; Pterygium colli; Webbed neck","HPO_Name__c":"Webbed neck","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001629","HPO_Synonym__c":"Hole in heart wall separating two lower heart chambers; Ventricular septal defects; Ventriculoseptal defect; VSD","HPO_Name__c":"Ventricular septal defect","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001488","HPO_Synonym__c":"Drooping of both upper eyelids","HPO_Name__c":"Bilateral ptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Multiple small zones of sarcomeric disorganization and lack of oxidative activity (known as minicores) in muscle fibers.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003789","HPO_Name__c":"Minicore myopathy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100295","HPO_Synonym__c":"Muscle fiber atrophy; Muscle fiber degeneration","HPO_Name__c":"Muscle fiber atrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","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":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","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":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Malignant hyperthermia is characterized by a rapid increase in temperature to 39-42 degrees C. Malignant hyperthermia may occur in response to either inhalational anesthetics such as halothane, to muscle relaxants such as succinylcholine, or to exercise.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002047","HPO_Name__c":"Malignant hyperthermia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A failure to achieve the ability to walk at an appropriate developmental stage. Most children learn to walk in a series of stages, and learn to walk short distances independently between 12 and 15 months.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031936","HPO_Synonym__c":"Delayed walking","HPO_Name__c":"Delayed ability to walk","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An elevation of the level of the enzyme creatine kinase (also known as creatine phosphokinase (CK; EC 2.7.3.2) in the blood. CK levels can be elevated in a number of clinical disorders such as myocardial infarction, rhabdomyolysis, and muscular dystrophy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003236","HPO_Synonym__c":"Elevated blood creatine phosphokinase; Elevated circulating creatine phosphokinase; Elevated creatine kinase; Elevated serum CPK; Elevated serum creatine kinase; Elevated serum creatine phosphokinase; High serum creatine kinase; Increased CPK; Increased creatine kinase; Increased creatine phosphokinase; Increased serum CK; Increased serum creatine kinase; Increased serum creatine phosphokinase","HPO_Name__c":"Elevated circulating creatine kinase concentration","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Accentuated, prominent philtral ridges giving rise to an exaggerated groove in the midline between the nasal base and upper vermillion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002002","HPO_Synonym__c":"Increased depth of philtrum; Philtrum, deep; Prominent philtrum; Pronounced philtrum","HPO_Name__c":"Deep philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Increase in width of the nasal tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000455","HPO_Synonym__c":"Broad nasal tip; Broad tip of nose; Broad, upturned nose; Increased breadth of nasal tip; Increased breadth of tip of nose; Increased width of nasal tip; Increased width of tip of nose; Nasal tip, broad; Nasal tip, wide; Wide tip of nose","HPO_Name__c":"Broad nasal tip","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Over curvature of the thoracic region, leading to a round back or if sever to a hump.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002942","HPO_Synonym__c":"Accentuated thoracic kyphosis; Exaggerated thoracic kyphosis","HPO_Name__c":"Thoracic kyphosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Reduced strength of one or more muscles innervated by the facial nerve (the seventh cranial nerve).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030319","HPO_Synonym__c":"Decreased facial muscle strength; Decreased strength of facial muscles; Face weakness; Facial muscle weakness; Facial weakness; Myasthenia of facial muscles; Reduced facial muscle strength; Weakness of face; Weakness of facial musculature","HPO_Name__c":"Weakness of facial musculature","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Scaphocephaly is a subtype of dolichocephaly where the anterior and posterior aspects of the cranial vault are pointed (boat-shaped). Scaphocephaly is caused by a precocious fusion of sagittal suture without other associated synostosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030799","HPO_Name__c":"Scaphocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008689","HPO_Synonym__c":"Cryptorchidism, bilateral","HPO_Name__c":"Bilateral cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Posterior positions and/or vertical shortening of the infraorbital and perialar regions, or increased concavity of the face and/or reduced nasolabial angle.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011800","HPO_Synonym__c":"Decreased size of midface; Flat midface; Hypoplasia of midface; Midface deficiency; Midface hypoplasia; Midface retrusion; Midface, flat; Retrusive midface; Underdevelopment of midface","HPO_Name__c":"Midface retrusion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality in which the nuclei of sarcomeres take on an abnormally central localization (or in which this feature is found in an increased proportion of muscle cells).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003687","HPO_Synonym__c":"Central nuclei; Centralized nuclei; Centralized sarcomeric nuclei","HPO_Name__c":"Centrally nucleated skeletal muscle fibers","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormal reduction in quantity or strength of fetal movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001558","HPO_Synonym__c":"Decreased fetal activity; Decreased fetal movements; Decreased movement in utero; Dminished fetal movement; Fetal hypokinesia; Less than 10 fetal movements in 12 hours; Reduced fetal movement; Reduced fetal movements","HPO_Name__c":"Decreased fetal movement","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","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":"OMIM:619542","HPO_Frequency__c":"Frequent (30-79%)","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":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000508","HPO_Synonym__c":"Blepharoptosis; Drooping upper eyelid; Eyelid ptosis; Palpebral ptosis","HPO_Name__c":"Ptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Columella extending inferior to the level of the nasal base, when viewed from the side.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009765","HPO_Synonym__c":"Columella, low; Columella, low hanging; Extension of the columella below the ala nasi; Low-hanging columella","HPO_Name__c":"Low hanging columella","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:619542","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A facial appearance characteristic of myopathic conditions. The face appears expressionless with sunken cheeks, bilateral ptosis, and inability to elevate the corners of the mouth, due to muscle weakness.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002058","HPO_Synonym__c":"Myopathic face; Myopathic facial appearance","HPO_Name__c":"Myopathic facies","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Orthopedics","Neurodevelopmental disabilities","Neuromuscular medicine","Pediatrics"]},"synonyms":["kds"," king-denborough syndrome"," koussef nichols syndrome"," koussef-nichols syndrome"]}