Parastomal hernia is a type of incisional hernia that results from protrusion of abdominal contents through the abdominal wall defect created during stoma formation. Usually, you will see a bulging or swelling around or under the stoma. It develops gradually and the hernia may increase in size over time. Parastomal hernia is the most common complication of stomal surgery. It can occur in up to 50% of patients having stoma.
Parastomal hernias can cause pain, obstruction or strangulation. It can also cause difficulty in application of the stoma bag.