polyposis

Presence of several polyps. [polyp + G. -osis, condition]
- adenomatous p. coli SYN: familial adenomatous p..
- familial adenomatous p. (FAP) [MIM*175100] p. that usually begins in childhood; polyps increase in number, causing symptoms of chronic colitis; pigmented retinal lesions are frequently found; carcinoma of the colon almost invariably develops in untreated cases; autosomal dominant inheritance, caused by mutation in the adenomatous p. coli gene (APC) on 5q. In Gardner syndrome, which is allelic to FAP, there are extracolonic changes (desmoid tumors, osteomas, jaw cysts). SYN: adenomatous p. coli, familial p. coli, multiple intestinal p. (1).
- familial p. coli SYN: familial adenomatous p..
- lymphomatoid p. multifocal mantle cell lymphoma, producing numerous lymphoid polyps in the intestines.
- multiple intestinal p. [MIM*175100] 1. SYN: familial adenomatous p.. 2. hamartomatous p. of the small or large intestine, Peutz-Jeghers syndrome [MIM*175200] with melanin spots on the lips, less common.

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pol·yp·o·sis .päl-i-'pō-səs n, pl -o·ses -.sēz a condition characterized by the presence of numerous polyps <\polyposis of the colon> see FAMILIAL ADENOMATOUS POLYPOSIS

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n.
a condition in which numerous polyp form in an organ or tissue. Familial adenomatous polyposis (FAP) is a hereditary disease (caused by a defective dominant gene) in which multiple adenoma develop in the intestine, usually the large bowel or rectum, at an early age. As these polyps invariably become malignant, patients are usually advised to undergo total removal of the affected bowel. See also Peutz-Jeghers syndrome. Compare pseudopolyposis.

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pol·yp·osis (pol″ĭ-poґsis) the development of multiple polyps on a part.

Medical dictionary. 2011.

Look at other dictionaries:

  • Polyposis —   [zu Polyp] die, / ses, Medizin: das Vorkommen zahlreicher Polypen in einem Hohlorgan …   Universal-Lexikon

  • Polyposis — familiäre adenomatöse Polyposis Die Polyposis (Griechisch πολύπωσις) ist der medizinische Fachbegriff für das Auftreten zahlreicher Polypen in einem Hohlorgan. Erkrankungen mit Vielfachen (in der Regel mehr als hundert) Polypen im Magen Darm… …   Deutsch Wikipedia

  • polyposis — n. a condition in which numerous polyps form in an organ or tissue. Familial adenomatous polyposis (FAP) is a hereditary disease (caused by a defective dominant gene) in which multiple adenomas develop in the intestine, usually the large bowel or …   The new mediacal dictionary

  • polyposis — /pol euh poh sis/, n. Pathol. the development of numerous polyps on a hollow internal organ, seen esp. in the intestinal tract. [1910 15; POLYP + OSIS] * * * …   Universalium

  • polyposis — noun A hereditary disease characterised by numerous polyps that erupt in various parts of the body, especially the colon …   Wiktionary

  • polyposis — [ˌpɒlɪ pəʊsɪs] noun Medicine the presence of numerous internal polyps, especially in the colon …   English new terms dictionary

  • polyposis — pol·yp·o·sis …   English syllables

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  • Polyposis registries — exist for the purpose of understanding the genetic disease familial adenomatous polyposis. The registries provide a service to doctors for identification, surveillance and management of families and individuals with high colorectal cancer risk… …   Wikipedia

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