Windsock appearance on barium is seen in?: (A) Duodenal perforation, (B) Duodenal ulcer, (C) Brunner gland hyperplasia, (D) Internal duodenal diverticulum
Answer is D. Ans DWindsock appearanceQ is intraduodenal barium contrast- filled sac that is surrounded by a narrow lucent line seen in intraduodenal diverticulumQ.