What is anal extroversion?

Anal extroversion is a pathological phenomenon in which the mucosa layer or full-layer intestinal wall of the rectum or lower sigmoid colon protrudes outward from the anus through the anal canal. It is divided into partial prolapse and complete prolapse.

The causes include malnutrition, old age, infant hypoplasia, increased intra-abdominal pressure, weak pelvic floor muscle soft tissue, pregnancy, lactation, constipation

, etc.