Case Report
Copyright ©2005 Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Mar 14, 2005; 11(10): 1567-1569
Published online Mar 14, 2005. doi: 10.3748/wjg.v11.i10.1567
Effect of Helicobacter pylori eradication on gastric hyperplastic polyposis in Cowden’s disease
Hajime Isomoto, Hisashi Furusu, Ken Ohnita, Yusuke Takehara, Chun-Yang Wen, Shigeru Kohno
Hajime Isomoto, Hisashi Furusu, Ken Ohnita, Yusuke Takehara, Shigeru Kohno, Second Department of Internal Medicine, Nagasaki University School of Medicine 1-7-1 Sakamoto, Nagasaki, Japan
Chun-Yang Wen, Department of Molecular Pathology, Atomic Bomb Disease Institute, Nagasaki University School of Medicine, Sakamoto 12-4, Nagasaki, Japan
Chun-Yang Wen, Department of Digestive Disease, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, Jiangsu Province, China
Author contributions: All authors contributed equally to the work.
Correspondence to: Dr. Hajime Isomoto, Second Department of Internal Medicine, Nagasaki University School of Medicine 1-7-1 Sakamoto, Nagasaki, Japan. hajimei2002@yahoo.co.jp
Telephone: +81-95-8497567 Fax: +81-95-8497568
Received: August 14, 2004
Revised: August 15, 2004
Accepted: September 30, 2004
Published online: March 14, 2005
Abstract

A 21-year-old woman with complaints of hematochezia was diagnosed as having Cowden’s disease (CD), an autosomal dominant condition characterized by multiple hamartomas, since facial papules and gingival papillomas were identified. On endoscopy, multiple hyperplastic polyps were seen in the rectum and left-side colon. There were also esophageal glycogenic acanthosis and hyperplastic polyposis in the antrum accompanied by Helicobacter pylori-related gastritis. Although gastric hyperplastic polyposis had by no means regressed with unsuccessful first-line eradication therapy for H pylori, following cure of the infection with salvage therapy consisting of rabeprazole, amoxicillin and metronidazole, the polyposis lesions almost disappeared. Follow-up gastroscopy 2 and 3 years after cessation of the second-line eradication therapy revealed almost complete regression of the polyposis lesions with no evidence of H pylori infection. We recommend eradication treatment for CD patients with gastric hyperplastic polyps and the infection, as the occurrence of gastric carcinoma among hyperplastic polyps has been described.

Keywords: Cowden’s disease; Helicobacter pylori; Hyperplastic polyposis