Examination of anorectal diseases

1, anus inspection: separate the patient's hip gently with the thumb, anal and surrounding non prolapsed hemorrhoids, fistula, abscess, anal fissure, etc..
2, the rectum refers to the examination: also refers to the anus finger inspection. Check the right hand gloves or wear his right index finger, coated with lubricating oil, with the index finger of the right hand front in the anus, the patient to stay after gently inserted into the anus, anal sphincter tightness test first, and then turn around on anorectal examination, should pay attention to the intestinal wall around the tumor, no tenderness, fluctuation and narrow. In the anterior wall of the rectum, the male can touch the prostate, and the female can touch the cervix. When the finger is pulled out, it can be observed whether there is blood or mucus on the glove.

3, anoscopy: anoscopen coated with lubricating oil slowly inserted into the anus, taking the core of good lighting, from deep to shallow color observation of rectal mucosa, rectal valve, no ulcer, polyp, tumor, foreign body, will slowly go out from the anus mirror, side back side were observed near the rectum and tooth line no lesions, such as fistula in the mouth, hemorrhoids, etc..