Multiple osteolytic bone lesions with high serum levels of interleukin-6 and CCL chemokines in a patient with adult T cell leukemia

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A 37-year-old woman was diagnosed as having chronic adult T-cell leukemia (ATL) of the skin by a skin biopsy and human T-cell leukemia virus type-1 serology at our hospital in August 1992. The skin lesions of ATL were improved by treatment with psoralen ultraviolet ray A. She complained of severe pain in her bilateral forearms, hands and ankles, and X-ray examination in July 1999 revealed multiple punched-out lesions of the extremities. Serum levels of parathyroid hormone-related peptide, interleukin-1β (IL-1β), tumor necrosis factor-α and total serum receptor activator of nuclear factor κB ligand were not elevated. However, serum levels of IL-6, CCL2 monocyte chemoattractant protein-1 (MCP-1), CCL3 [macrophage inflammatory protein-1α (MIP-1α)] and CCL4 (MIP-1β) were markedly elevated. Here, we have discussed the possible mechanism underlying the onset of the osteolytic lesions.

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