How should rectal digital examination be checked?

Digital rectal examination can often find early anorectal lesions through digital rectal examination.

Attention should be paid to determine the size of the tumor, the range of intestinal wall circumference, whether there is pedicle, the distance from the lower edge of the tumor base to the anal margin, tumor infiltration, whether it moves, tumor texture and so on. During rectal digital examination, you can feel the protruding lump with hard texture and uneven surface, which can move in the early stage, but it is not easy to push if it adheres to submucosa and muscularis. Sometimes you can feel the ulcer with the edge turned outwards, which is crisp and has blood on the finger sleeve. You can touch the narrow ring in the later stage, and your fingers can't pass through the narrow ring in severe cases. Female patients should have Shuang Hezhen examination of rectum and vagina at the same time, and make clear the relationship between rectal mass and vagina. For high rectal cancer, press the lower abdomen and do rectal digital examination.