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Approaches to endoscopic ampullectomy.

Robert F Wong¹, James A DiSario

¹Division of Gastroenterology, University of Utah, School of Medicine, Salt Lake City, Utah 84132, USA.

Current Opinion in Gastroenterology

|February 4, 2005

Summary

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Endoscopic ampullectomy effectively removes ampullary adenomas, but carries significant risks. Experienced endoscopists are crucial for safe and successful treatment of these tumors, especially in familial adenomatous polyposis patients.

Area of Science:

Gastroenterology
Endoscopic Surgery
Oncology

Background:

Ampullary tumors, primarily adenomas, are frequently found during endoscopic screening.
These adenomas pose a risk of progressing to adenocarcinoma, necessitating treatment.
Familial adenomatous polyposis (FAP) patients have a higher incidence of ampullary adenomas.

Purpose of the Study:

To review the effectiveness and safety of endoscopic therapy for ampullary tumors.
To highlight current techniques and outcomes of endoscopic ampullectomy.
To discuss the role of adjunctive therapies and complication management.

Main Methods:

Endoscopic ampullectomy, performed via snare polypectomy using a side-viewing duodenoscope.
Tumor removal in en bloc or piecemeal fashion with complete tissue retrieval.

Related Experiment Videos

Adjunctive therapies including thermal ablation (e.g., ionized argon coagulation) and prophylactic stent placement.

Main Results:

Endoscopic therapy achieves adenoma removal in over 80% of cases, potentially requiring multiple sessions.
Complications occur in approximately 20% of patients, including pancreatitis, bleeding, perforation, and stenosis.
Recurrence is possible, particularly in FAP patients, mandating regular surveillance.

Conclusions:

Endoscopic ampullectomy is an effective treatment for ampullary tumors.
The procedure is associated with significant complications, requiring highly skilled endoscopists.
Further research, including multicenter trials, is needed to optimize treatment and reduce complications.