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Perivascular epithelioid cell tumor (PEComa) of the ascending colon: the implication of IFN-α2b treatment
Sun Ju Park, Dong Kyun Han, Hee Jo Baek, Sang Young Chung, Jong Hee Nam, Hoon Kook, Tai Ju Hwang
Clin Exp Pediatr. 2010;53(11):975-978.   Published online November 30, 2010

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...

Isolated Intracranial Granulocytic Sarcoma as a Relapse Following Unrelated Bone Marrow Transplantation for Myelodysplastic Syndrome in a 1 Year-Old Infant
Kyung Ran Son, Hoon Kook, So Youn Kim, Hee Jo Back, Seok Joo Kim, Ha Young Noh, Mi Jeong Kim, Ic Sun Choi, Shin Jeong, Jong Hee Nam, Tai Ju Hwang
Clin Exp Pediatr. 2004;47(9):1008-1012.   Published online September 15, 2004
Isolated relapse of myeloid leukemia as a granulocytic sarcoma(GS) following allogeneic bone marrow transplantation(BMT) is very rare manifestation, and usually associated with a poor prognosis. We report a case of isolated intracranial GS in an infant with myelodysplastic syndrome(MDS) following unrelated BMT. A 7 month-old girl was diagnosed with refractory anemia with excess blasts (RAEB). During observation for a couple...
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