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Hereditary hollow viscus myopathy

MedGen UID:
Concept ID:
Disease or Syndrome
Synonym: Familial visceral myopathy
SNOMED CT: Hereditary hollow viscus myopathy (63684002); Familial visceral myopathy (63684002)
Modes of inheritance:
Autosomal dominant inheritance
MedGen UID:
Concept ID:
Intellectual Product
Source: Orphanet
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele.
Related gene: ACTG2
Monarch Initiative: MONDO:0016829
Orphanet: ORPHA2604


A rare hereditary myopathic degeneration of both gastrointestinal and urinary tracts that causes chronic intestinal pseudo-obstruction. It usually presents after the first decade of life with megaduodenum, megacystis and symptoms such as abdominal distension and/or pain, vomiting, constipation, diarrhea, dysphagia, and/or urinary tract infections. [from SNOMEDCT_US]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
Follow this link to review classifications for Hereditary hollow viscus myopathy in Orphanet.

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