17 Duodenal Filling Defects

CLINICAL IMAGAGINGAN ATLAS OF DIFFERENTIAL DAIGNOSIS

EISENBERG

DR. Muhammad Bin Zulfiqar PGR-FCPS III SIMS/SHL

• Fig GI 17-1 Large blood clot (arrows) in a giant ulcer of the duodenal bulb.

• Fig GI 17-2 Feeding gastrostomy tube (open arrow) prolapsed into the duodenal bulb. The tube could be mistaken for a polyp on a large stalk (solid arrows).

• Fig GI 17-3 Brunner's gland hyperplasia.

• Fig GI 17-4 Benign lymphoid hyperplasia.25

• Fig GI 17-5 Heterotopic gastric mucosa.

• ow) that is clearly separate from the papilla. Fig GI 17-6 Papilla of Vater (straight arrows). Note the large benign polyp (curved arr

• Fig GI 17-7 Choledochocele (arrows). (A) Barium study. (B) Cholangiogram.

• Fig GI 17-8 Pancreatic pseudocyst extending into the wall of the duodenum and producing a large intramural filling defect (arrows).

• Fig GI 17-9 Duodenal varices (arrows).

Fig GI 17-10 Intramural duodenal hematoma. The sharply defined intramural mass (arrows) obstructs the lumen in the immediate postbulbar area.

• Fig GI 17-11 Villous adenoma. Large mass at the junction of the second and third portions of the duodenum. The irregular surface of the mass (arrows), with its crevices filled with barium, is characteristic of a villous tumor.26