Tags: Anatomical Structure.
Perineal hernia is a hernia involving the perineum (pelvic floor). The hernia may contain fluid fat any part of the intestine the rectum or the bladder. It is known to occur in humans dogs and other mammals and often appears as a sudden swelling to one side (sometimes both sides) of the anus.A common cause of perineal hernia is surgery involving the perineum. Perineal hernia can be caused also by excessive straining to defecate (tenesmus).
