Predictive value of biological markers in loco-regional recurrence of breast cancer after mastectomy and radiotherapy

Author:

Mahmoud Mahmoud Abdelbaky1,Ouf Tarek Ismail Ahmed1,Kamal Tarek Hussein2,El Aziz Heba Tharwat Abd3

Affiliation:

1. Department of General Surgery, Faculty of Medicine, Ain Shams University, Egypt

2. Department of Oncology, Faculty of Medicine, Ain Shams University

3. Department of General Surgery, Faculty of Medicine, Al Azhar University, Egypt

Abstract

Objective To assess the prognostic usefulness of the human epidermal growth factor receptor-2 (Her 2), the progestin receptor (PR), and the oestrogen receptor (ER) in locoregional recurrence following mastectomy radiotherapy in Egyptian breast cancer patients. Patients and methods This retrospective analysis comprised 432 female patients who had received radiation and had a mastectomy and immunohistochemistry reports. The Ethics Committee’s clearance was required before this study could be carried out at the Ain-Shams University hospitals. Results A total of 24 individuals developed LRR after a median follow-up period of 68.9 months. Although lymph nodes with more than three exhibited a statistically significant risk for LLR, tumour grade and pT were not significant risk factors. LRR risk rose for those who were HER2-positive and those with TNBC, but Luminal B had a non-significantly greater risk than Luminal A. Conclusion For breast cancer patients receiving PMRT, the biological subtype based on the categorization standard from the St. Gallen International Breast Cancer Conference (2013) Expert Panel acts as an accurate prognostic predictor. In HER2-positive and hormonal receptor-positive individuals, trastuzumab treatment significantly reduced the risk of LRR.

Publisher

Medknow

Subject

Ocean Engineering

Reference21 articles.

1. Cancer incidence in Egypt: results of the national population-based cancer registry program;Ibrahim;J Cancer Epidemiol,2014

2. Cancer statistics, 2016;Siegel;CA Cancer J Clin,2016

3. Gene expression patterns of breast carcinomas distinguish tumor subclasses with clinical implications;Sørlie;Proc Natl Acad Sci,2001

4. Reanalysis and results after 12 years of follow-up in a randomized clinical trial comparing total mastectomy with lumpectomy with or without irradiation in the treatment of breast cancer;Fisher;N Engl J Med,1995

5. eR, pR, HeR2, Ki-67 and cK5 in early and Late Relapsing Breast cancer—Reduced cK5 expression in Metastases;Joensuu;Breast Cancer: Basic Clin Res,2013

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3