2011, Volume 4, Issue 1, pp 109 – 111

Map syndrome (MYH Associated Polyposis) colorectal cancer, etiopathological connections

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Authors and Affiliations

Correspondence to:Alexandra Bolocan, 8 Panselelor Street, Chiajna, Ilfov, Romania, P.O. Box 077041 , e-mail bolocandan@yahoo.com

Abstract

The case presented raised our scientific curiosity and it is worthy of being brought in front of the medical audience because of several reasons presented below. Presently, there are 3 hereditary syndromes that have a demonstrated etiological relationship with the colorectal cancer: Familiar Adenomatous Polyposis (FAP syndrome), HNPCC syndrome (Hereditary Nonpoliposis Colorectal Cancer) and MAP syndrome.

Discovered only in 2002, the MAP syndrome (MYH associated polyposis) is the first hereditary syndrome that has autosomal recessive transmission.

The APC gene can be mutated in several ways during the colonic oncogenesis: congenital in the FAP syndrome, somatic in sporadic colorectal cancers and secondary to the MYH gene inactivation in MAP syndrome. MAP phenotype is similar to the FAP phenotype because of the somatic mutations to the APC gene. Colonic polyposis is lower than FAP syndrome and appeared later, in the 40’s and 50’s. Colorectal cancers are frequent and discovered in the same moment as the colonic polyposis.

Patients are diagnosed mostly in cancer stages. Colonoscopy shows polyps disseminated around the entire colic frame. Treatment in these cases is total rectocolectomy with ileoanal anastomosis. When working in a general emergency surgery clinic, physicians are often faced with colorectal cancers in different evolutive stages, and mostly they are faced with their complications.

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About this article

PMC ID: 3056415
PubMed ID: 21505584
DOI: 

Article Publishing Date (print): 15-02-2011
Available Online: 25-02-2011

Journal information

ISSN Printing: 1844-122X
ISSN Online: 1844-3117
Journal Title: Journal of Medicine and Life

Copyright License: Open Access

This article is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use and redistribution provided that the original author and source are credited.


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