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Acquired hyperplastic gastric polyps in solid organ transplant patients
Rafael Amaro1, Guy W Neff, Umaprasanna S Karnam
1Department of Medicine, University of Miami School of Medicine, Florida 33136, USA.
The American Journal of Gastroenterology
|October 3, 2002
Summary
Solid organ transplant recipients can develop hyperplastic gastric polyps, a condition not previously reported. Further research is needed to understand the cause and malignant potential of these acquired polyps.
Area of Science:
- Gastroenterology
- Transplant Medicine
- Oncology
Background:
- Solid organ transplantation (SOT) is a life-saving procedure.
- Gastric polyps are growths in the stomach lining.
- Hyperplastic gastric polyps are generally benign but can have malignant potential when multiple.
Purpose of the Study:
- To report the occurrence of hyperplastic gastric polyps in SOT recipients.
- To characterize these polyps and their association with immunosuppressive therapy.
Main Methods:
- Retrospective review of SOT patients from January 1997 to December 1999.
- Inclusion criteria: SOT patients with gastric polyps identified during endoscopy.
- Analysis of demographic data, polyp characteristics, and treatment regimens.
Main Results:
- Ten SOT patients (six cardiac, three liver, one kidney) developed gastric polyps.
- Polyps were hyperplastic, multiple in nine patients, and located primarily in the antrum.
- No adenomatous or malignant changes were observed; cytomegalovirus serology was negative in most patients.
Conclusions:
- This is the first report of hyperplastic gastric polyps developing after SOT.
- The development of multiple hyperplastic gastric polyps is concerning due to recognized malignant potential.
- The etiology and natural history of these acquired polyps require further investigation, particularly their association with immunosuppression.