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Korean J Pediatr 2010 November;53(11) :975-978.
Perivascular epithelioid cell tumor (PEComa) of the ascending colon: the implication of IFN-2b treatment
Sun Ju Park (Park SJ)1, Dong Kyun Han (Han DK)1, Hee Jo Baek (Baek HJ)1, Sang Young Chung (Chung SY)2, Jong Hee Nam (Nam JH)2, Hoon Kook (Kook H)1, Tai Ju Hwang (Hwang TJ)1
1Departments of Pediatrics, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Gwangju, Korea
2Departments of Pediatric Surgery, Chonnam NationalUniversity Hwasun Hospital, Chonnam National University Medical School, Gwangju, Korea
Corresponding Author: Hoon Kook ,Email:
Copyright © 2010 by The Korean Pediatric Society
A 7-year-old boy presented with hematochezia and abdominal pain. A 3.7-cm-sized mass was identified in the ascending colon by abdominal computed tomography and colonoscopy. The patient underwent surgical resection. Pathological examination revealed a low-grade perivascular epithelioid cell tumor (PEComa). PEComa in the colon is very rare. Only a few cases have been reported so far. An effective treatment method for this rare tumor has not been established yet. The patient received adjuvant interferon-immunotherapy for 1 year. He has been tumor-free for 26 months since the initial diagnosis. This report is the first documented case of the use of interferon-for pediatric PEComa of the colon.
Keywords: Perivascular epithelioid cell tumor | PEComa | Colon | Interferon-alpha
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