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Case Reports |
Department of Veterinary Pathology, Small Animal Tumor Diagnostic Center, College of Veterinary Medicine, Konkuk University, Seoul, KwangJin-Ku 143-701, Korea.
The clinical, hematological, and histopathologic features of megakaryoblastic leukemia (M7) were investigated in a 10-year-old female Shih-Tzu dog. Megakaryoblastic leukemia was diagnosed using anti-human platelet glycoprotein (GP IIIa) and anti-human von Willebrand factor (vWF) antibodies. The expression of CD antigen on megakaryoblasts was also assessed using a CD79a monoclonal antibody. Immunological markers allowed visualization of neoplastic megakaryocytes. Antibodies against platelet GP IIIa were demonstrated to be the most useful for the diagnosis of megakaryoblastic leukemia of paraffin-embedded canine tissues. Hematological and histological data coupled with immunohistochemical reactivity for platelet GP IIIa, vWF, and CD79a antigen in blast cells confirmed a diagnosis of M7 megakaryoblastic leukemia.
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M. WILLMANN, L. MULLAUER, I. SCHWENDENWEIN, B. WOLFESBERGER, M. KLEITER, M. PAGITZ, E. HADZIJUSUFOVIC, S. SHIBLY, M. REIFINGER, J. G. THALHAMMER, et al. Chemotherapy in Canine Acute Megakaryoblastic Leukemia: A Case Report and Review of the Literature In Vivo, November 1, 2009; 23(6): 911 - 918. [Abstract] [Full Text] [PDF] |
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