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Lymph Node Blast Crisis of Chronic Myelogenous Leukemia One Case Report

慢性骨髓性白血病的骨髓外淋巴結芽細胞危象-病例報告

摘要


慢性骨髓性白血病合併有骨髓外病變發生之患者,經常被視為預後較差的表徵。其中有少部份人在這些骨髓外病變的所在。如:淋巴結、脾臟、或是皮膚等處,有芽細胞轉化的現象,其通常早發於或者與骨髓的芽細胞危象同時發生。 本文提出一例患有染色體ph´陽性慢性骨髓性白血病的個案,其未出現骨髓芽細胞危象前,已在骨髓外淋巴結產生芽細胞危象。為和淋巴瘤作鑑別診斷,我們使用細胞形態,細胞化學染色,以及染色體分析,確定為骨髓外淋巴芽細胞危象。因此,我們改變化學治療,利用vincristin和rednisolone後,病人全身淋巴結腫大現象逐漸消失。淋巴結可為慢性骨髓性白血病病程中急性轉化之先所,使用淋巴結作細胞化學染色及染色體之研究,有助於我們正確的診斷和早期之治療。

關鍵字

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並列摘要


We present a patient with philadelphia chromosome (ph´)-positive CML with extramedullary blast crisis in the lymph nodes before the bone marrow blast crisis. The morphological and cytogenetic studies of lymph node tissue confirmed the extramedullary lymphoid blast transformation of CML, while the bone marrow continued to show the chronic phase of CML. When we changed our treatment to use Vincristin-Prednisolone therapy, the lymphadenopathy disappeared gradually. This case shows that the clinical and prognostic features of extramedullary disease can strongly affect disease acceleration in CML, and the therapy should be changed promptly. Besides, cytogenetic study of extramedullary tumor tissue in CML can be useful for accurate diagnosis.

並列關鍵字

Blast crisis extramedullary lymph node

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