Location: Medial (70%) descending duodenum in periampullary region, 3rd or 4th portion (26%), lateral (4%) descending duodenum
• Intraluminal diverticula
“Windsock” appearance: Barium-filled, globular structure of variable length, originating in 2nd portion of duodenum, fundus extending into 3rd portion; outlined by thin, radiolucent line
CLINICAL ISSUES
• Periampullary diverticula