[Rinshō ketsueki] The Japanese journal of clinical hematology
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Review Case Reports
[Chronic myelogenous leukemia with long-term hypoplasia induced by alpha-interferon and hydroxyurea].
A 48-year-old woman was admitted with chronic myelogenous leukemia in November, 1996 and was treated with hydroxyurea (HU), because of marked leukocytosis; WBC 404,000/microliter. On January 29, 1997, administration of HU was stopped, and treatment of alpha-interferon (IFN alpha) was started with 6x 10(6)U, every day. However, the WBC count rose from 19,600/microliter to 56,800/microliter, and the combination of IFN and 2,000 mg of HU was started on February 4. ⋯ There were 9 cases reported in detail with bone marrow hypoplasia induced by IFN. One patient received IFN alone and 8 patients received anti-cancer drugs before treatment of IFN. We concluded that great care must be taken for IFN treatment of CML.