直肠癌是肠道较多见的恶性肿瘤,有者与直肠息肉在临床症状上又不易区分。以往最常用的诊查方法是肛门指诊,其次为各式的肛门窥器、钳取活检、X线钡剂灌肠等。我们近期采用了直肠肛诊涂片进行细胞学检定,经短期观察,认为是一种简便、易行、易为病人接受的诊断方法之 Rectal cancer is a malignant tumor that is more commonly seen in the intestine, and it is not easy to differentiate between rectal polyps and clinical symptoms. In the past, the most commonly used diagnosis method was anal examination, followed by various types of anal speculum, forceps biopsy, X-ray barium enema. We recently used a rectal anal smear to perform cytological tests. After short-term observation, it was considered to be a simple, easy, and easy-to-patient diagnostic method.