Korean J Gastrointest Endosc > Volume 28(2); 2004 > Article
Korean Journal of Gastrointestinal Endoscopy 2004;28(2): 81-85.
만성 골수성 백혈병에서 림프아세포 발증 후 관찰된 위의 골수 외 종양 1예
이 혁·이준행·김정환·최성철·박건우·김민형·김재준·이종철
성균관대학교 의과대학 삼성서울병원 소화기내과
A Case of Gastric Extramedullary Tumor after Lymphoblastic Crisis in a Patient with
Hyuk Lee, M.D., Jun Haeng Lee, M.D., Jeong Hwan Kim, M.D., Sung Chul Choi, M.D.,
Division of Gastroenterology, Department of Medicine, Samsung Medical Center,
Abstract
A localized extramedullary tumor mass composed of immature cells has been reported in association with acute myeloid leukemia, myeloproliferative disorders, myelodysplasia in blast transformation or chronic myeloid leukemia with trilineage hematopoiesis, as well as in patients with no known hematological disorder. Although this tumor may involve anywhere in the body and give rise to a variety of signs and symptoms, there are several case reports of extramedullary tumor in Korea which described the involvement of the gastrointestinal tract. We report the occurrence of gastric extramedullary tumor and lymphoid blast crisis in a patient with complete remission after lymphoblastic transformation of chronic myelogenous leukemia. Endoscopic biopsy for gastric elevated lesion showed diffuse lymphoblast infiltration with TdT (terminal deoxynucleotidal transfe rase) and CD20 positive immature cells. (Korean J Gastrointest Endosc 2004;28:81⁣85)
Key Words: Gastric extramedullary tumor, Chloroma, Chronic myelogenous leukemia, Lymphoblast
주요어: 골수 외 종양, , 만성 골수성 백혈병, 림프아세포
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