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  • Title: [Rapidly progressive fibrosis and increased CD68-positive cells in the bone marrow at the terminal stage of adult T-cell leukemia accompanied by polycythemia vera].
    Author: Otawa M, Kawanishi Y, Ando K, Iwama H, Shohji N, Nishimaki J, Tauchi T, Miyazawa K, Kimura Y, Serizawa H, Ohyashiki K.
    Journal: Rinsho Ketsueki; 2000 Dec; 41(12):1254-9. PubMed ID: 11201150.
    Abstract:
    We report a case of adult T-cell leukemia (ATL) accompanied by polycythemia vera (PV) in which rapid development of myelofibrosis and clinical features of hemophagocytic syndrome (HPS) were observed at the terminal stage. The patient, a 53-year-old man who was born in Oita Prefecture, Japan, was diagnosed as having PV in 1996. He had undergone venesection but had not received any chemotherapy. In June 1997, he showed systemic lymphadenopathy with positivity for serum HTLV-1 antibody (x 10,240). Pathological findings and Southern blotting analysis for detection of monoclonal integration of HTLV-1 provirus DNA in a lymph node biopsy sample revealed that he also had acute-type ATL. Although several courses of chemotherapy were transiently effective, high fever, pancytopenia, increased serum LDH, hypoproteinemia and hyperferritinemia appeared, all of which were compatible with the clinical features of HPS. In addition, cytomegalovirus infection became evident. He died of multiple organ failure with rapid progression of myelofibrosis in May 1998. Detection of both increased CD68-positive histiocytes by immunohistochemistry and iron-stained phagocytic cells in marrow biopsy specimens appeared to be helpful for diagnosis of HPS in this patient, whose marrow showed myelofibrosis with hypocellularity.
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