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Published in: Cellular Oncology 5/2011

01-10-2011 | Original Paper

High frequency microsatellite instability has a prognostic value in endometrial endometrioid adenocarcinoma, but only in FIGO stage 1 cases

Authors: Anita Steinbakk, Anais Malpica, Aida Slewa, Einar Gudlaugsson, Emiel A. M. Janssen, Mark Arends, Arnold Jan Kruse, Yu Yinhua, Weiwei Feng, Jan P. Baak

Published in: Cellular Oncology | Issue 5/2011

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Abstract

Objectives

To analyze the prognostic value of microsatellite instability (MSI) in a population-based study of FIGO stage 1–4 endometrial endometrioid adenocarcinomas. Study Design: Survival analysis in 273 patients of MSI status and clinico-pathologic features. Using a highly sensitive pentaplex polymerase chain reaction to establish MSI status, cases were divided into microsatellite stable (MSS), MSI-low (MSI-L, 1 marker positive) and MSI-high (MSI-H, 2–5 markers positive).

Results

After 61 months median follow-up (1–209), 34 (12.5%) of the patients developed metastases but only 6.4% of the FIGO-1. MSI (especially as MSI-H versus MSS/MSI-Lcombined) was prognostic in FIGO-1 but not in FIGO2-4. The 5 and10 year recurrence-free survival rates were 98% and 95% in the MSS/MSI-L versus 85% and 73% in the MSI-H patients (P = 0.005).

Conclusions

MSI-H status assessed by pentaplex polymerase chain reaction is an indicator of poor prognosis in FIGO 1, but not in FIGO 2–4 endometrial endometrioid adenocarcinomas.
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Metadata
Title
High frequency microsatellite instability has a prognostic value in endometrial endometrioid adenocarcinoma, but only in FIGO stage 1 cases
Authors
Anita Steinbakk
Anais Malpica
Aida Slewa
Einar Gudlaugsson
Emiel A. M. Janssen
Mark Arends
Arnold Jan Kruse
Yu Yinhua
Weiwei Feng
Jan P. Baak
Publication date
01-10-2011
Publisher
Springer Netherlands
Published in
Cellular Oncology / Issue 5/2011
Print ISSN: 2211-3428
Electronic ISSN: 2211-3436
DOI
https://doi.org/10.1007/s13402-011-0040-x

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