{"Name":"Benign Samaritan congenital myopathy","DiseaseID__c":"GARD:0021445","id":21445,"encodedName":"benign-samaritan-congenital-myopathy","IsDeleted":false,"Disease_Name_Full__c":"Benign Samaritan congenital myopathy","Xref_IDs__c":"770787005; C4749502; MEDGEN:1666762; MONDO:0017936; ORPHA:324581","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":4,"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":7,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0017936","Disease_Description__c":"Benign Samaritan congenital myopathy is a rare, genetic, skeletal muscle disease characterized by severe neonatal hypotonia with respiratory insufficiency, delay in motor milestones, and dysmorphic features including bitemporal narrowing, epicanthal folds and hypertelorism. Affected individuals show gradual improvement in hypotonia and muscle weakness within the first two years of life resulting in minimal clinical manifestations in adulthood.","GARD_Name__c":"Benign Samaritan congenital myopathy","GARD_Synonym__c":null,"Curated_Disease_Description_Source__c":"MONDO:0017936","Curated_Disease_Description__c":"Benign Samaritan congenital myopathy is a rare, genetic, skeletal muscle disease characterized by severe neonatal hypotonia with respiratory insufficiency, delay in motor milestones, and dysmorphic features including bitemporal narrowing, epicanthal folds and hypertelorism. Affected individuals show gradual improvement in hypotonia and muscle weakness within the first two years of life resulting in minimal clinical manifestations in adulthood.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:324581","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0017936","ORPHANET_ID__c":"ORPHA:324581","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Miopatía congénita benigna del samaritano","Spanish_Description_Source__c":"ORPHA:324581","Spanish_Description__c":"La miopatía congénita benigna del samaritano, es una enfermedad muscular esquelética, genética y poco frecuente, caracterizada por hipotonía neonatal grave con insuficiencia respiratoria, retraso motor y características dismórficas que incluyen estrechamiento bitemporal, pliegues epicánticos e hipertelorismo. Los afectados muestran una mejora gradual de la hipotonía y de la debilidad muscular en los primeros dos años de vida, lo que resulta en manifestaciones clínicas mínimas en la edad adulta.","Spanish_Disease_Name__c":"miopatía congénita benigna del samaritano","Spanish_GARD_Synonym__c":null,"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":"Benign Samaritan congenital myopathy is a rare, genetic, skeletal muscle disease characterized by severe neonatal hypotonia with respiratory insufficiency, delay in motor milestones, and dysmorphic features including bitemporal narrowing, epicanthal folds and hypertelorism. Affected individuals show gradual improvement in hypotonia and muscle weakness within the first two years of life resulting in minimal clinical manifestations in adulthood.","Curated_Disease_Description_Source__c":"MONDO:0017936","Name":"Benign Samaritan congenital myopathy","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/"}],"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":"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":"Infancy","Provided_By__c":"ORPHA:324581"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:324581"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4749502","Source__c":"C4749502","Xref__c":"C4749502"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1666762","Source__c":"C4749502","Xref__c":"MEDGEN:1666762"},{"URL__c":"https://www.orpha.net/en/disease/detail/324581","Source__c":"C4749502; MONDO:0017936; ORPHA:324581","Xref__c":"ORPHA:324581"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0017936","Source__c":"GARD:0021445","Xref__c":"MONDO:0017936"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=770787005","Source__c":"C4749502","Xref__c":"770787005"}],"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 recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Laminar thickening of skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001072","HPO_Synonym__c":"Pachydermia; Thick skin; Thickened skin","HPO_Name__c":"Thickened skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormally increased proportion of nuclei of sarcomeres with an internal localization. Individual muscle fibers are syncytia, formed by embryonic fusion of many myoblasts or later, myosatellite cells. Each muscle fiber contains many nuclei, peripherally positioned immediately adjacent to the sarcolemmal membrane. In healthy muscle only 3-5% of fibers contain nuclei that are located internally, within the cell, but many disease processes lead to internal nuclei.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031237","HPO_Name__c":"Internally nucleated skeletal muscle fibers","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001612","HPO_Name__c":"Weak cry","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A state of fatigue, either physical or mental slowness and sluggishness, with difficulties in initiating or performing simple tasks. Distinguished from apathy which implies indifference and a lack of desire or interest in the task. A person with lethargy may have the desire, but not the energy to engage in personal or socially relevant tasks.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001254","HPO_Synonym__c":"Dullness; Inaction; Inactivity; Languor; Lethargy; Slowness; Torpor","HPO_Name__c":"Lethargy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","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:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased breadth of the nasal bridge (and with it, the nasal root).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000431","HPO_Synonym__c":"Broad nasal bridge; Broad nasal root; Broadened nasal bridge; Increased breadth of bridge of nose; Increased breadth of nasal bridge; Increased width of bridge of nose; Increased width of nasal bridge; Nasal bridge broad; Nasal bridge, wide; Wide bridge of nose; Wide nasal bridge; Widened nasal bridge","HPO_Name__c":"Wide nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","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:324581","HPO_Frequency__c":"Occasional (5-29%)","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"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Width of the forehead or distance between the frontotemporales is more than two standard deviations below the mean (objective); or apparently narrow intertemporal region (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000341","HPO_Synonym__c":"Bitemporal narrowing; Bitemporal narrowness; Bitemporal skull narrowing; Decreased width of the forehead; Intertemporal narrowing; Narrow bitemporal diameter; Narrow bitemporal width; Narrow forehead; Temporal narrowness","HPO_Name__c":"Narrow forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","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:324581","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Generalized muscular hypotonia (abnormally low muscle tone).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001290","HPO_Synonym__c":"Generalized decreased muscle tone; Generalized muscular hypotonia; Hypotonia, generalized","HPO_Name__c":"Generalized hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal function of the respiratory system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002795","HPO_Synonym__c":"Abnormal respiration; Functional respiratory abnormality","HPO_Name__c":"Abnormal respiratory system physiology","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Fasciculations are observed as small, local, involuntary muscle contractions (twitching) visible under the skin. Fasciculations result from increased irritability of an axon (which in turn is often a manifestation of disease of a motor neuron). This leads to sporadic discharges of all the muscle fibers controlled by the axon in isolation from other motor units.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002380","HPO_Synonym__c":"Fasciculation; Muscle fasciculation; Muscle twitch","HPO_Name__c":"Fasciculations","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","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":"ORPHA:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of rest posture in an infant that indicated a generalized reduction in muscle tone. The hips are flexed and the legs are abducted to an extent that causes the lateral thigh to rest upon the supporting surface. This posture is said to resemble the legs of a frog.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0031139","HPO_Name__c":"Frog-leg posture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Very frequent (80-99%)","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:324581","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of skull shape characterized by a increased anterior-posterior diameter, i.e., an increased antero-posterior dimension of the skull. Cephalic index less than 76%. Alternatively, an apparently increased antero-posterior length of the head compared to width. Often due to premature closure of the sagittal suture.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000268","HPO_Synonym__c":"Long, narrow head; Tall and narrow skull","HPO_Name__c":"Dolichocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:324581","HPO_Frequency__c":"Very frequent (80-99%)","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"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology"],"Specialist":["Genetics","Neurology","Neuromuscular medicine","Pediatrics"]},"synonyms":[""]}