Strongyloides stercoralis colitis: findings in four cases.

The 4 cases of Strongyloides stercoralis colitis presented show various radiological manifestations of colonic reaction. Mild involvement may be associated with minimal radiographic changes. Invasion of the bowel wall by the larvae results in ulceration and edema with loss of haustral markings; stricture may develop. Barium-enema examinations can help in evaluating the nature and clinical progress of the disease.