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目的:分析结直肠锯齿状病变内镜下形态及病理分类。方法:运用形态方法对417例结直肠腺瘤性息肉及206例结直肠增生性息肉进行回顾性分析。结果:经阅片从中筛选出腺体具有锯齿状特征的息肉及腺瘤共12例,其中包括具有锯齿状形态的增生性息肉(HP)7例,传统锯齿状腺瘤(TSA)3例,广基锯齿状腺瘤(SSA)1例,混合性息肉1例,锯齿状病变主要发生在直肠和乙状结肠,大多数(9例,占75%)内镜表现为息肉样型,肿瘤直径3mm～10mm,患者以腹痛就诊者7例(58.33%),腹泻3例(25.00%),便血2例(16.67%)。结论:通过形态学特点,可以区分和诊断各类结直肠锯齿状病变,以增强对锯齿状病变的认识,提高诊断正确率。
Objective: To analyze the endoscopic morphology and pathological classification of colorectal serrated lesions. Methods: 417 cases of colorectal adenomatous polyps and 206 cases of colorectal polyps were retrospectively analyzed by morphological methods. Results: A total of 12 polyps and adenomas with jagged glandular features were screened out from the radiographs, including 7 cases of serrated polyp (HP) in 7 cases, 3 cases of traditional serrated adenomas (TSA) One case of broad-based serrated adenoma (SSA), one case of mixed polyps, serrated lesions mainly in the rectum and sigmoid colon, the majority (9 cases, 75%) endoscopic showed polypoid tumor diameter of 3mm ~ There were 7 cases (58.33%) with abdominal pain, 3 cases (25.00%) with diarrhea and 2 cases (16.67%) with blood in the stool. Conclusion: Through the morphological characteristics, we can distinguish and diagnose various types of colorectal serrated lesions to enhance the understanding of serrated lesions and improve the diagnostic accuracy.