The 
Image Library
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Duodenal Popyps
A Small Adenoma in the Descending Duodenum
This little adenoma in the upper right part of the picture is situated in the descending part of the duodenum. As all adenomas, it is potentially dangerous, because it can transform into a malignant tumor. This however takes years, and in a 80-year old lady this finding has little significance.
Another example of a tubular adenoma in the proximal part of the descending duodenum.
High resolution image: A tubulovillus adenoma with severe dysplasia in the descending part og the duodenum
Tubulovillous Adenoma in the Duodenum
This benign tubulovillous adenoma is situated in the descending part of the duodenum, and has a malignant potential.
Adenoma with a Long Stilus in the Descending Duodenum
This quite "funny" looking adenoma in the descending duodenum has a very long stilus and is easily removed during endoscopy by a diathermic snare.
Tubular Adenoma with Carcinoma in Situ in the Duodenum
A large tubular adenoma with malignant changes in the descending part of the duodenum.
Tubular Adenoma in the Duodenum in Familial Adenomatous Polyposis
Gastric, duodenal and periampullary tubular adenomas are quite common in Familial Polyposis. This is a tubural adenoma in the descending part of the duodenum in a patient treated by colectomy because of Familial Polyposis.
High resolution image: Hyperplastic polyp
A Hyperplastic Polyp in the Duodenal Bulb
Hyperplastic polyps are innocent - they do not have any malignant potential and there is no need for removal of a polyp like this.
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