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武汉市第一医院病理科,湖北 武汉 430022
冯燕,E-mail:1610434770@qq.com
收稿:2025-07-02,
纸质出版:2026-06-25
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任丽伊,杨雨寒,徐瑶等.子宫内膜样癌中错配修复蛋白表达缺失的临床病理意义[J].局解手术学杂志,2026,35(06):556-558.
REN Li-yi,YANG Yu-han,XU Yao,et al.Clinicopathological significance of the loss of mismatch repair protein expression in endometrioid carcinoma[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2026,35(06):556-558.
任丽伊,杨雨寒,徐瑶等.子宫内膜样癌中错配修复蛋白表达缺失的临床病理意义[J].局解手术学杂志,2026,35(06):556-558. DOI: 10.11659/jjssx.07E025016.
REN Li-yi,YANG Yu-han,XU Yao,et al.Clinicopathological significance of the loss of mismatch repair protein expression in endometrioid carcinoma[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2026,35(06):556-558. DOI: 10.11659/jjssx.07E025016.
目的
2
探讨错配修复蛋白表达缺失与子宫内膜样癌病理特征的相关性。
方法
2
回顾性分析武汉市第一医院2019年1月至2024年12月诊断为子宫内膜样癌的136例患者的临床病理学资料,采用免疫组化染色法检测癌组织中错配修复蛋白的表达情况,分析错配修复蛋白表达缺失与临床病理特征之间的相关性。
结果
2
共40例子宫内膜样癌患者出现错配修复蛋白表达缺失,PMS2、MLH1、MSH6及MSH2的缺失率分别为25.0%(34/136)、23.5%(32/136)、4.4%(6/136)及2.2%(3/136)。其中MLH1与PMS2蛋白表达缺失在低肿瘤分化程度、高FIGO分级、深肌层浸润、累及子宫下段、发病年龄偏低及肿瘤最大径≥2 cm的患者中更多见,表达缺失率更显著(
P
<
0.05)。
结论
2
错配修复蛋白表达缺失与侵袭性高、不良预后的子宫内膜样癌病理特征密切相关。
Objective
2
To investigate the correlation between mismatch repair protein expression loss and clinicopathological features of endometrioid carcinoma.
Methods
2
A retrospective analysis was conducted on the clinicopathological data of 136 patients diagnosed with endometrioid carcinoma at Wuhan First Hospital from January 2019 to December 2024.Immunohistochemical staining was used to detect the expression of mismatch repair proteins in the cancerous tissues.The correlation between the loss of mismatch repair protein expression and clinicopathological features was analyzed.
Results
2
Mismatch repair protein expression loss was observed in 40 patients with endometrioid carcinoma.The expression loss rates of PMS2,MLH1,MSH6,and MSH2 were 25.0%(34/136),23.5%(32/136),4.4%(6/136), and 2.2% (3/1
36),respectively.Among these, MLH1 and PMS2 expression loss was more frequent in cases with poor differentiation, high FIGO grade,deep myometrial invasion, involvement of the lower uterine segment, younger age at onset, and maximum tumor diameter ≥2 cm, and the rate of expression loss was significantly higher (
P
<
0.05).
Conclusion
2
Mismatch repair protein expression loss is closely associated with pathological features of endometrioid carcinoma that indicate high invasiveness and poor prognosis.
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