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Li JH, Leong MY, Phua KB, Low Y, Kader A, Logarajah V, Ong LY, Chua JH, Ong C. Cap polyposis: A rare cause of rectal bleeding in children. World J Gastroenterol 2013; 19(26): 4185-4191 [PMID: 23864782 DOI: 10.3748/wjg.v19.i26.4185]
World J Gastroenterol. Jul 14, 2013; 19(26): 4185-4191 Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4185
Cap polyposis: A rare cause of rectal bleeding in children
Jia Hui Li, May Ying Leong, Kong Boo Phua, Yee Low, Ajmal Kader, Veena Logarajah, Lin Yin Ong, Joyce HY Chua, Christina Ong
Jia Hui Li, Kong Boo Phua, Ajmal Kader, Veena Logarajah, Christina Ong, Gastroenterology Service, Department of Pediatric Medicine, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
May Ying Leong, Department of Pathology, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
Yee Low, Lin Yin Ong, Joyce HY Chua, Department of Pediatric Surgery, KK Hospital, Singapore 229899, Singapore
Author contributions: Li JH analyzed the cases, conducted the literature review, drafted the initial manuscript, and approved the final manuscript as submitted; Leong MY, Phua KB, Low Y, Kader A, Logarajah V, Ong LY and Chua JHY critically reviewed and revised the manuscript and approved the final manuscript as submitted; Ong C conceived of the concept, critically reviewed and revised the manuscript and approved the final manuscript as submitted.
Correspondence to: Dr. Christina Ong, Gastroenterology Service, Department of Pediatric Medicine, KK Women's and Children's Hospital, Level 5, Children's Tower, 100 Bukit Timah Road, Singapore 229899, Singapore. christina.ong@kkh.com.sg
Telephone: +65-639-42389 Fax: +65-639-41973
Received: January 22, 2013 Revised: May 1, 2013 Accepted: May 17, 2013 Published online: July 14, 2013 Processing time: 171 Days and 18.1 Hours
Core Tip
Core tip: Cap polyposis is a rare and under-recognized condition with distinct clinical, endoscopic and histopathological features. All children with cap polyposis invariably present with rectal bleeding. Awareness of this diagnosis is important as its clinical and endoscopic features can mimic inflammatory bowel disease resulting in prolonged and inappropriate treatment. This article evaluates the clinicopathological features and treatment outcomes in a series of children with cap polyposis. Complete polypectomy should be performed where possible in combination with medical therapy. Prognosis is good for children with few polyps although recurrence rate is high in those with multiple polyps at diagnosis requiring further surgical intervention.
