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What does B-LAHS stand for?

B-LAHS stands for B-cell lymphoma associated with hemophagocytic syndrome

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Samples in periodicals archive:

Seven patients with peripheral B-cell lymphoma associated with hemophagocytic syndrome are reported. In all cases, the histologic subtype was diffuse large B-cell lymphoma. Hemophagocytic features were noted in the bone marrow with lymphomatous infiltration. Hemophagocytic syndrome occurred with presentation of the lymphoma and was characterized by high fever, cytopenias, and elevated levels of lactate dehydrogenase, ferritin, C-reactive protein, and cytokines [interferon gamma, macrophage colony-stimulating factor, soluble interleukin (sIL)-2R, and IL-6] without evidence of infection.
Falini B, Pileri S, De Solas I, Martelli MF, Mason DY, Delsol G, Gatter KC, Fagioli M (1990) Peripheral T-cell lymphoma associated with hemophagocytic syndrome.
Hemophagocytic lymphohistiocytosis (HLH) is an unusual syndrome characterized by fever, splenomegaly, jaundice, and the pathologic finding of hemophagocytosis (phagocytosis by macrophages of erythrocytes, leukocytes, platelets, and their precursors) in bone marrow and other tissues. HLH may be diagnosed in association with malignant, genetic, or autoimmune diseases but is also prominently linked with Epstein-Barr (EBV) virus infection. Hyperproduction of cytokines, including interferon-? and tumor necrosis factor-a, by EBV-infected T lymphocytes may play a role in the pathogenesis of HLH. EBV-associated HLH may mimic T-cell lymphoma and is treated with cytotoxic chemotherapy, while hemophagocytic syndromes associated with nonviral pathogens often respond to treatment of the underlying infection.