Several special WBC staining methods are used to diagnose leukemia, amyloid disease, lymphoma, and erythroleukemia; to differentiate erythema myelosis from sideroblastic anemia; to monitor progress and response to therapy; and to detect early relapse. Amyloid refers to starchlike substances deposited in certain diseases (e.g., tuberculosis, osteomyelitis, leprosy, Hodgkin disease, and carcinoma).
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