Korean J Pediatr.
2010 Nov;53(11):975-978. 10.3345/kjp.2010.53.11.975.
Perivascular epithelioid cell tumor (PEComa) of the ascending colon: the implication of IFN-alpha2b treatment
- Affiliations
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- 1Department of Pediatrics, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Gwangju, Korea. hoonkook@chonnam.ac.kr
- 2Department of Pediatric Surgery, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Gwangju, Korea.
- 3Department of Pathology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Gwangju, Korea.
- KMID: 2280912
- DOI: http://doi.org/10.3345/kjp.2010.53.11.975
Abstract
- 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-alpha 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-alpha for pediatric PEComa of the colon.
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