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KMID : 0366220060410020099
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Korean Journal of Hematology
2006 Volume.41 No. 2 p.99 ~ p.104
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A Novel Jumping Translocation of 12q21 in a Patient with Chronic Idiopathic Myelofibrosis
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Cho Hee-Soon
Hyun Myung-Soo
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Abstract
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Jumping translocation (JT) has been defined as the translocation involving one donor chromosome and multiple recipient chromosomes in different cell lines in the same patient. This is rarely observed in various hematologic malignancies. Chronic idiopathic myelofibrosis (CIMF) is considered to be a clonal hematopoietic stem cell disorder, and clonal cytogenetic abnormalities have been reported to occur in about 30∼60% of patients. We report here on a case of CIMF with JT involving 12q21; t(5;12)(q13;q21) and t(12;12)(p13;q21) as the sole aberration. A pathogenetic relation between CIMF and the 12q rearrangement has been suggested in the literature, but neither the JT in CIMF nor the JT of 12q21 has been reported on. This is the first report of JT involving 12q21 in a patient with CIMF (ED note: nice writing).
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KEYWORD
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Jumping translocation, Chronic idiopathic myelofibrosis, 12q rearrangement
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