rectal examination

A rectal examination or rectal exam is an internal examination of the rectum by a physician. The digital rectal examination (DRE) is the simplest procedure. The patient is placed in a position where the anus is accessible and relaxed (lying on the side, squatting on the examination table, bent over the examination table, etc). The physician inserts a gloved and lubricated finger into the rectum through the anus and palpates the insides. This examination may be used:

for the diagnosis of appendicitis (a sharp pain experienced when the physician presses a certain spot indicates acute appendicitis);
for the diagnosis of rectal tumors and cancer;
for the estimation of the tonicity of the anal sphincter;
in males, for the diagnosis of prostatic disorders, notably tumors and cancer;
in females, for gynecological palpations of internal organs

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