Gastrointestinal imaging in AIDS--luminal gastrointestinal tract.

Barium radiography of the gastrointestinal tract in patients with AIDS can assist in the evaluation of numerous problems including dysphagia, odynophagia, diarrhea, abdominal pain, symptoms of intermittent obstruction, and/or gastrointestinal bleeding. It can localize disease, evaluate complications, guide endoscopic biopsy, and monitor the progress of therapy.