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Published: 2023-01-30
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DOI: https://doi.org/10.52852/tcncyh.v160i12V2.1256
Issue
Vol. 160 No. 12V2 (2022)
Section
Các bài báo
How to Cite
Cương, H. M. ., Thăng, V. H. ., & Hương, B. T. T. . (2023). 18. Factors affecting survival in non-polyp colon cancer stage II - III with mutation of KRAS gene. Journal of Medical Research, 160(12V2), 148-157. https://doi.org/10.52852/tcncyh.v160i12V2.1256

18. Factors affecting survival in non-polyp colon cancer stage II - III with mutation of KRAS gene

Hoang Minh Cuong, Vu Hong Thang, Bui Thi Thu Huong

Main Article Content

Abstract

Aim: To determine some factors affected the survival time. Patient and method: 93 patients were collected from National Cancer Hospital, VietDuc Hospital and BachMai Hospital  between  Jannuary 2016 and August 2020. The inclusion criteria: stage II - III colon cancer  according to the 8th edition of American Joint Committee on Cancer staging system, no accompanied polyp, mutated KRAS gene. The exclusion criteria: diagnosed second cancer, anamnesis about the removal of colorectal polyp. Results: The mean age was 53,9 ± 12,4 years. The rate of KRAS gene mutations in Exon 2 was 91,4% (85/93). Mean overall survival (OS) was 50,6 ± 2,3 months. Mean disease free survival (DFS) was 39,5 ± 2,6 months. 3-year DFS and 4-year OS were 48,8% and 63,0%. Patients with pT4 stage or node metastasis had shorter outcomes than patients with pT3 or  negative node. Left-sided tumors witnessed lower DFS compared with Right-sided tumors (3-year DFS 32,2% versus 62,4%, p = 0,006). Mutated KRAS gene in codon 12 or codon 13 was not a significant prognostic factor for disease-free survival or overall survival (3-year DFS: codon 12: 50,8% - codon 13: 61,9%, p = 0,419; 4-year OS: codon 12: 69,0% - codon 13: 70,7%, p = 0,584). Conclusions: Tumor invasion (pT4), positive node status (pN2) and left-sided tumor  were worse prognosis factors for survival. KRAS mutation codon 12 or 13 in Exon 2 did not affect to survival

Article Details

Keywords

colon cancer, Stage II-III, mutated KRAS, survival

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