Segmental colonic gangrene: a previously unreported complication of adult hemolytic uremic syndrome.

Gastrointestinal manifestations, however slight, must be carefully observed in patients with HUS regardless of age. Both clinical and diagnostic evaluations must be weighed expeditiously to rule out any surgically correctable disease. Although most patients with HUS can be treated nonoperatively, a considerable mortality still exists, especially in adults. Once surgical intervention is required, overall mortality is still favorable, especially with early diagnosis and proper treatment.