Proximal colon cancer in patients aged 51-60 years of age should be tested for microsatellites instability. A comment on the Revised Bethesda Guidelines.

Abstract:

PURPOSE:The Bethesda guidelines suggest to perform microsatellite instability (MSI) test in early onset rectal cancer and not in patients>50 years with proximal colon cancer. The aim of the study was to evaluate whether the risk of high MSI (MSI-H) is greater in proximal colon cancer of patients 51-60 years old than in early-onset rectal cancer. METHODS:Consecutive colorectal cancer (CRC) patients were evaluated. Tumor location, cancer family history, MSI status and histology were recorded. Mutations in MLH1/MSH2 were investigated in MSI-H tumors. Patients were subdivided into groups: group A, proximal colon cancer patients 51-60 years old and groups B, C and D, patients

journal_name

Int J Colorectal Dis

authors

Urso E,Pucciarelli S,Agostini M,Maretto I,Mescoli C,Bertorelle R,Viel A,Rugge M,Nitti D

doi

10.1007/s00384-008-0484-2

subject

Has Abstract

pub_date

2008-08-01 00:00:00

pages

801-6

issue

8

eissn

0179-1958

issn

1432-1262

journal_volume

23

pub_type

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