Atypical incarcerated abdominal wall hernia mimicking acute diverticulitis.

An 89-year-old female presented with typical symptoms of acute diverticulitis. Abdominal CT revealed an abdominal wall hernia with signs of acute incarceration in the lateral part of the transverse abdominis muscle and rupture of the transversalis fascia. The findings were confirmed intraoperatively. The present case underlines the diagnostic importance of abdominal CT, especially in patients with acute abdomen, allowing for selection of appropriate therapy options.