Indiana University
Ampullary adenoma
A 51 year old women underwent upper endoscopy for the work up of family history of ampullary adenocarcinoma. The esophagogastroduodenoscopy (EGD) showed a prominent major papilla. A sideviewing scope showed an approximately 2 cm villous adenoma (Figure 1). Biopsy specimen confirmed a villous adenoma with low-grade dysplasia (benign). The patient was advised to undergo an endoscopic ampullectomy. A snare assisted ampullectomy was performed with blended current and the adenoma was removed using a piecemeal technique (Figure 2). Specimens were collected using a basket (Figure 3). Biliary sphincterotomy was done (Figure 4) and a 5 Fr, 3 cm pancreatic stent was placed to prevent pancreatitis (Figure 5). Intraductal biopsies were taken to exclude intraductal extension (Figure 6). The procedure was uneventful. The patient remained stable and was discharged the same day. At 4 month follow-up, there were 3 small residual adenomas seen and were endoscopically removed (Figure 7). At one year follow-up, a tiny residual adenoma was seen and ablated with cautery (Figure 8).
Comment: Most benign ampullary adenomas can now be removed endoscopically without open surgery. Follow up endoscopy is needed approximately each year as recurrences are common.
Figure (1): ERCP showed an approximately 2 cm villous adenoma
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Figure (2): Ampullectomy using a piecemeal technique
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Figure (3): Specimens were collected using a basket
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Figure (4): Biliary sphincterotomy
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Figure (5): Pancreatic placed to prevent pancreatitis
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Figure (6): Intraductal biopsies
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Figure (7): Four month: Three small residual adenomas seen and were endoscopically removed
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Figure (8): One year follow-up: Tiny residual adenoma was seen and ablated with cautery
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6 O'clock residual
Removed
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