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题目:: An Adult Male Presenting with Concurrent Plasma Cell Myeloma Involving a CCND1-IGH Translocation and Chronic Myelogenous Leukemia with a Variant (9;22) Translocation.
作者:: Lee(Peter M),Siangchin(Ken),Song(Sophie),Shabsovich(David),Naeini(Yalda),Tirado(Carlos A)
状态:: 发布时间2016-09-02 , 更新时间 2016-09-02
期刊:: J Assoc Genet Technol
摘要:: The t(11;14)(q13;q32) involving IGH and CCND1 a nd t(9;22) (q34;q11.2) involving BCR and ABL1 are common abnormalities in plasma cell myeloma (PCM) and chronic myelogenous leukemia (CML), respectively. However, the concurrence of the two malignancies is extremely rare. Herein, we present a case of an 87-year-old male who presented with anemia and monocytosis. FISH studies on a bone marrow sample enriched for plasma cells detected a t(11;14) positive for IGH and CCND1 fusion in 92% of nuclei. However, cytogenetic analysis of the bone marrow revealed a t(9;22)(q34;q11.2) in 40% of the metaphases. Interphase and metaphase FISH studies on the sample confirmed the presence of the BCR-ABL1 fusion in 88% of nuclei but did not show any signals corresponding to the derivative 9, suggesting a variant t(9;22) with a deletion or additional material of unknown origin at the 9q34 band of the derivative 9 and a derivative 22 bearing the BCR-ABL1 fusion gene. The concurrence of plasma cell myeloma and chronic myelogenous leukemia is extremely rare with less than 20 cases reported. The molecular pathway in which the multiple malignancies arise is still poorly understood, and this case provides insight into the concurrence of PCM and CML.
语言:: eng
DOI:

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