" /> Familial adenomatous polyposis 1 - CISMeF





Preferred Label : Familial adenomatous polyposis 1;

Symbol : FAP1;

CISMeF acronym : AAPC; AFAP; APC; BTPS2; FAP1; FPC; GS;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Adenomatous polyposis of the colon; Familial polyposis of the colon; Polyposis, adenomatous intestinal; APC; FPC;

Included titles and symbols : Gardner syndrome; Brain tumor-polyposis syndrome 2; Familial adenomatous polyposis, attenuated; Adenomatous polyposis coli, attenuated; GS; BTPS2; AFAP; AAPC; Adenoma, periampullary, somatic;

Description : Familial adenomatous polyposis is an autosomal dominant disorder characterized by predisposition to cancer. Affected individuals usually develop hundreds to thousands of adenomatous polyps of the colon and rectum, a small proportion of which will progress to colorectal carcinoma if not surgically treated. Gardner syndrome is a variant of FAP in which desmoid tumors, osteomas, and other neoplasms occur together with multiple adenomas of the colon and rectum (Nishisho et al., 1991). Rustgi (2007) reviewed the genetics of hereditary colon cancer, including APC. See also FAP2 (608456), a similar disorder showing autosomal recessive inheritance and caused by mutation in the MUTYH gene (604933) on chromosome 1p34.;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the adenomatous polyposis coli gene (APC, 611731.0001);

Neoplasia : Adrenal carcinoma; Thyroid papillary carcinoma; Periampullary carcinoma; Fibrosarcoma; Colon carcinoma; Gastric adenocarcinoma; Medulloblastoma; Hepatoblastoma; Small intestine carcinoid; Desmoid tumor; Astrocytoma;

Prefixed ID : #175100;

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12/05/2024


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