论文部分内容阅读
本文用内镜检查二甲肼诱发的大鼠大鼠大肠癌共２７５只次。发现癌肿１０８个，其中原位癌３个（２．８％），早期癌３０个（２７．８％），进展期癌７５个（６９．４％）。按肉眼分型，息肉型８６个（７９．６％），溃疡型１９个（１７．６％），浸润型３个（２．８％）。按组织学分类，管状腺癌８１个（７５．０％），乳头状腺癌１４个（１３．０％），粘液腺癌８个（７．４％），印戒细胞癌５个（４．６％）。检查结果表明，内镜检查的大鼠大肠癌与人类大肠癌十分相似。
In this paper, endoscopic examination of dimethyl sulphonate-induced rat colon cancer total 275 times. 108 cancers were found, including 3 in situ cancers (2.8%), 30 early cancers (27.8%), and 75 advanced cancers (69.4%). Classified by naked eyes, polypoid type 86 (79.6%), ulcer type 19 (17.6%), infiltration type 3 (2.8%). According to histological classification, there were 81 tubular adenocarcinomas (75.0%), 14 papillary adenocarcinomas (13.0%), 8 mucinous adenocarcinomas (7.4%), and 5 signet-ring cell carcinomas (4 .6%). The examination results showed that endoscopic examination of colorectal cancer was very similar to human colorectal cancer.