19例早期大肠癌分析

Early Colorectal Cancer.A Report of 19 Cases

本文分析了19例早期大肠癌的临床特征,40岁以上占73.7％(14/19),病程中伴血便者84.2％(16/19)。粘膜癌占63.2％(12/19),粘膜下癌占36.8％(7/19)。腺瘤癌变者占78.9％(15/19)。腺瘤癌变者多具有以下特点:①40岁以上,②腺瘤>2cm,③广基形,④表面糜烂,坏死,⑤位于直肠、乙状结肠,⑥绒毛状腺瘤或混合状腺瘤。镜下电切摘除早期大肠癌可达到诊断和治疗的双重目的。故早期诊断和摘除大肠息肉是预防大肠癌的重要措施。

Analysis was made on 19 cases of early colorectal cancer, 14 of which (73. 3%)were over 40-years old and 16 cases(84. 2%)had had history of bloody stool. Histologically.there were 12 mucosal and 7 submucosal lesions. Carcinomas from malignant change of adenoma accounted for 15/19 (78. 9%) of the lesions and were characterized by: (1)over 40-years of age, (2)at least 2cm in diameter; (3)sessile; (4)erosive and sloughing surface; (5)located in sigmoid or rectum; (6)villous or tubulovillous appearances. Endoscopic removal of early colorectal carcinoma is advisable. Early di- agnosis and removal of polyps are important measures in view of prevention of colorectal cancer.