Purpose To investigate the clinicopathological features and prognosis in patients with colorectal cribriform comedo-type ad-enocarcinoma. Methods Compared with 278 cases of colorectal common-type adenocarcinoma, 24 cases of colorectal cribriform come-do-type adenocarcinoma were analyzed for clinical stage, lymphovascular invasion, lymph node metastasis and genetic characteristics. Results The percentage of clinical Ⅲ and Ⅳ (87. 5%) and lymph node metastasis rate (87. 5%) in patients with colorectal cribri-form comedo-type adenocarcinoma was obviously higher than that in colorectal common-type adenocarcinoma (42. 4%,42. 4%) (P0. 05 ) . Conclusions There is a higher clinical stage and poorer prognosis including unique morphological characteristics, highly lymphovascular invasion and lymph node metastasis in pa-tients with colorectal cribriform comedo-type adenocarcinoma.%目的：探讨结直肠筛状粉刺型腺癌的临床病理特征与预后的关系。方法分析比较24例结直肠筛状粉刺型腺癌与278例普通型结直肠腺癌的临床分期、脉管侵犯、淋巴结转移和遗传学特点等。结果结直肠筛状粉刺型腺癌临床分期较晚,Ⅲ+Ⅳ期所占比例(87．5%)及淋巴结转移率(87.5%)均明显高于普通型结直肠腺癌(42．4%,42．4%),差异具有统计学意义(P0．05)。结论结直肠筛状粉刺型腺癌具有独特的形态学特征,易侵犯脉管和淋巴结转移,临床分期较晚,预后较差。
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