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Published in: BMC Cancer 1/2023

Open Access 01-12-2023 | Breast Cancer | Research

Prognostic value of tumor necrosis based on the evaluation of frequency in invasive breast cancer

Authors: Jianhua Chen, Zhijun Li, Zhonghua Han, Deyong Kang, Jianli Ma, Yu Yi, Fangmeng Fu, Wenhui Guo, Liqin Zheng, Gangqin Xi, Jiajia He, Lida Qiu, Lianhuang Li, Qingyuan Zhang, Chuan Wang, Jianxin Chen

Published in: BMC Cancer | Issue 1/2023

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Abstract

Background

Tumor necrosis (TN) was associated with poor prognosis. However, the traditional classification of TN ignored spatial intratumor heterogeneity, which may be associated with important prognosis. The purpose of this study was to propose a new method to reveal the hidden prognostic value of spatial heterogeneity of TN in invasive breast cancer (IBC).

Methods

Multiphoton microscopy (MPM) was used to obtain multiphoton images from 471 patients. According to the relative spatial positions of TN, tumor cells, collagen fibers and myoepithelium, four spatial heterogeneities of TN (TN1-4) were defined. Based on the frequency of individual TN, TN-score was obtained to investigate the prognostic value of TN.

Results

Patients with high-risk TN had worse 5-year disease-free survival (DFS) than patients with no necrosis (32.5% vs. 64.7%; P < 0.0001 in training set; 45.8% vs. 70.8%; P = 0.017 in validation set), while patients with low-risk TN had a 5-year DFS comparable to patients with no necrosis (60.0% vs. 64.7%; P = 0.497 in training set; 59.8% vs. 70.8%; P = 0.121 in validation set). Furthermore, high-risk TN “up-staged” the patients with IBC. Patients with high-risk TN and stage I tumors had a 5-year DFS comparable to patients with stage II tumors (55.6% vs. 62.0%; P = 0.565 in training set; 62.5% vs. 66.3%; P = 0.856 in validation set), as well as patients with high-risk TN and stage II tumors had a 5-year DFS comparable to patients with stage III tumors (33.3% vs. 24.6%; P = 0.271 in training set; 44.4% vs. 39.3%; P = 0.519 in validation set).

Conclusions

TN-score was an independent prognostic factor for 5-year DFS. Only high-risk TN was associated with poor prognosis. High-risk TN “up-staged” the patients with IBC. Incorporating TN-score into staging category could improve its performance to stratify patients.
Appendix
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Metadata
Title
Prognostic value of tumor necrosis based on the evaluation of frequency in invasive breast cancer
Authors
Jianhua Chen
Zhijun Li
Zhonghua Han
Deyong Kang
Jianli Ma
Yu Yi
Fangmeng Fu
Wenhui Guo
Liqin Zheng
Gangqin Xi
Jiajia He
Lida Qiu
Lianhuang Li
Qingyuan Zhang
Chuan Wang
Jianxin Chen
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2023
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-023-10943-x

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