{"Name":"MASS syndrome","DiseaseID__c":"GARD:0008489","id":8489,"encodedName":"mass-syndrome","IsDeleted":false,"Disease_Name_Full__c":"MASS syndrome","Xref_IDs__c":"C1858556; C536030; MEDGEN:346932; MONDO:0011431; OMIM:604308","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":0,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":null,"No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":1,"Disease_Characteristics_Score__c":4,"No_of_Age_at_Onset__c":0,"Description_Source__c":"MONDO:0011431","Disease_Description__c":"A genetic disorder of connective tissue caused by mutations in the FBN1 gene. Connective tissue is the material between the cells of the body that gives tissues form and strength. Symptoms include mitral valve prolapse, nearsightedness, borderline and non-progressive aortic enlargement, and skin and skeletal findings that overlap with those seen in Marfan syndrome. Treatment is based on the individuals symptoms.","GARD_Name__c":"MASS syndrome","GARD_Synonym__c":"mass phenotype; octd; overlap connective tissue disease","Curated_Disease_Description_Source__c":"MONDO:0011431","Curated_Disease_Description__c":"A genetic disorder of connective tissue caused by mutations in the FBN1 gene. Connective tissue is the material between the cells of the body that gives tissues form and strength. Symptoms include mitral valve prolapse, nearsightedness, borderline and non-progressive aortic enlargement, and skin and skeletal findings that overlap with those seen in Marfan syndrome. Treatment is based on the individuals symptoms.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":null,"SourceID__c":null,"Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0011431","ORPHANET_ID__c":null,"Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":null,"Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":null,"Spanish_GARD_Synonym__c":null,"Category_Linearization__c":null,"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 genetic disorder of connective tissue caused by mutations in the FBN1 gene. Connective tissue is the material between the cells of the body that gives tissues form and strength. Symptoms include mitral valve prolapse, nearsightedness, borderline and non-progressive aortic enlargement, and skin and skeletal findings that overlap with those seen in Marfan syndrome. Treatment is based on the individuals symptoms.","Curated_Disease_Description_Source__c":"MONDO:0011431","GARD_Synonym__c":"mass phenotype; octd; overlap connective tissue disease","Name":"MASS syndrome","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"The Marfan Foundation","Website__c":"https://www.marfan.org/home"},{"Account_Name__c":"Marfan World","Website__c":"https://www.marfanworld.org/"},{"Account_Name__c":"Coalition for Heritable Disorders of Connective Tissue","Website__c":"https://www.connectivetissuecoalition.org/"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1858556","Source__c":"C1858556","Xref__c":"C1858556"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=346932","Source__c":"C1858556","Xref__c":"MEDGEN:346932"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C536030","Source__c":"MONDO:0011431","Xref__c":"C536030"},{"URL__c":"https://www.omim.org/entry/604308","Source__c":"C1858556; MONDO:0011431","Xref__c":"OMIM:604308"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0011431","Source__c":"GARD:0008489","Xref__c":"MONDO:0011431"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"FBN1","GHR_URL__c":"https://medlineplus.gov/genetics/gene/fbn1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:604308","HPO_Frequency__c":"Occasional (5-29%)","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":"OMIM:604308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Thinned, erythematous, depressed bands of atrophic skin. Initially, striae appear as flattened and thinned, pinkish linear regions of the skin. Striae tend to enlarge in length and become reddish or purplish. Later, striae tend to appear as white, depressed bands that are parallel to the lines of skin tension. Striae distensae occur most often in areas that have been subject to distension such as the lower back, buttocks, thighs, breast, abdomen, and shoulders.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001065","HPO_Synonym__c":"Purplish striae; Stretch marks; Striae; Striae atrophicae; Striae cutis distensae","HPO_Name__c":"Striae distensae","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:604308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Aortic dilatation refers to a dimension that is greater than the 95th percentile for the normal person age, sex and body size. In contrast, an aneurysm is defined as a localized dilation of the aorta that is more than 150 percent of predicted (ratio of observed to expected diameter 1.5 or more). Aneurysm should be distinguished from ectasia, which represents a diffuse dilation of the aorta less than 50 percent of normal aorta diameter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004942","HPO_Synonym__c":"Aortic dilatation; Bulge in wall of large artery that carries blood away from heart; Enlarged aorta","HPO_Name__c":"Aortic aneurysm","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:604308","HPO_Frequency__c":"Very frequent (80-99%)","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":"OMIM:604308","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":"OMIM:604308","HPO_Frequency__c":"Occasional (5-29%)","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:604308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A widening or ballooning of the dural sac surrounding the spinal cord usually at the lumbosacral level.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100775","HPO_Name__c":"Dural ectasia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:604308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"One or both of the leaflets (cusps) of the mitral valve bulges back into the left atrium upon contraction of the left ventricle.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001634","HPO_Name__c":"Mitral valve prolapse","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}}],"tags":{},"synonyms":["mass phenotype"," octd"," overlap connective tissue disease"]}