Imaging of morbid obesity procedures and their complications.

Surgery for morbid obesity has become commonplace in the United States. Any radiologist who reads abdominal films, body CT, or does gastrointestinal fluoroscopy should be familiar with the surgical procedures and their imaging. Included in this update will be discussions of the vertical banded gastroplasty, Roux-en-Y gastric bypass, laparoscopic adjustable gastric banding, and biliopancreatic diversion with duodenal switch.