DCR: 灌洗细胞学检查在预测结直肠癌的发病率和预后价值

2022-06-28 xuyihan MedSci原创

腹腔灌洗是通过长时间的有效的冲洗以及持续低负压的吸引,将腹腔内的积血、积液、积脓液以及坏死组织等物质引出体外,减少毒素的吸收,并防止感染。

结直肠癌(CRC)的分期中,国际抗癌联盟(UICC)发布的TNM分类标准已得到广泛的认可,这个分期主要由原发肿瘤、淋巴结转移、远处转移三个因素组成。腹膜转移也被认为是远处转移因素之一。胃癌患者中,用于检测腹腔内游离癌细胞的灌洗细胞学 (LCY) 已被广泛应用于预测腹膜内微转移,但是LCY在CRC中的临床意义尚未确定。本研究旨在探讨灌洗细胞学阳性对结直肠癌患者预后的影响。

 

 

这是一项单机构的回顾性观察研究,研究人员回顾性分析2007年至2013年的3135例结直肠癌病例。术中腹膜冲洗细胞学检查在手术开始后进行,然后将冲洗液以每分钟 2500 转的速度离心5分钟,将细胞团块涂抹在显微镜载玻片上,并进行巴氏染色。主要观察结果是5年总生存率。次要观察结果是5年复发率。

 

 

研究结果显示在19例(2.0%)和86例(16.9%)III 期和 IV 期结直肠癌病例中检测到灌洗细胞学阳性;然而,在 I 期和 II 期结直肠癌中没有发现阳性病例。在多变量分析中,灌洗细胞学阳性是 III 期和 IV 期结直肠癌的独立预后因素(III 期 5 年死亡率 HR 3.59 [1.69-7.64],IV 期 2.23 [1.15-4.31])。III期和IV期灌洗细胞学阳性组的5年生存率预后明显较差。在复发方面,III期灌洗细胞学阳性组与IV期灌洗细胞学阳性/阴性组的结果相似(73.7%、70.0%和75.0%)。

 

 

由于淋巴结转移和淋巴血管侵犯可以预测CRC的复发,而本项研究证实灌洗细胞学阳性更能够敏感判断IV期结直肠癌的预后因素。

 

 

 

原始出处:

Matsui, Shimpei. Et al. Incidence and Prognostic Value of Lavage Cytology in Colorectal Cancer. Diseases of the Colon & Rectum.2022.

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    2022-10-31 lifestar
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    2022-06-28 ms5000000644045955

    不错学习了。

    0

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