Orphanet: Familial atrial myxoma

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Familial atrial myxoma

Disease definition

Familial atrial myxoma is a rare, genetic cardiac tumor characterized by the presence of a primary, benign, gelatinous mass located in the atria and composed of primitive connective tissue cells and stroma (resembling mesenchyme) in several members of a family. Clinical presentation depends on the size, mobility and location of tumor, ranging from nonspecific and/or constitutional symptoms to sudden cardiac death, and includes dyspnea, hemoptisis, syncope, fatigue, fever, cutaneous rash, increases in venous pressure and/or peripheral edema.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Adolescent, Adult
  • ICD-10: D15.1
  • OMIM: 255960
  • UMLS: C1850635
  • MeSH: C538262
  • GARD: 139
  • MedDRA: -
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