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Myeloma, Hemopietic Stem Cell Transplantation, Relapse, Bortezomid
We report a case of 59-year-old Turkish man with history of MVR and COPD whom was diagnosed with stage IIIA IgG lambda multiple myeloma (MM) in 1997. He underwent autologous hematopoietic stem cell transplantation following melphalan 200mg per body area(m2)in February 2006. On 18th of February 2011; he was admitted to the emergency service of university hospital with complaints of hematemesis and melena. In gastric biopsy obtained from the lesion; pathological evaluation showed monoclonal lambda light chain infiltration originated from neoplastic plasma cells in gastric mucosa. The patient was considered as local gastric relapsed disease and was treated with 2 cycles of bortezomib. An excellent response was achieved after 2 cycles of BEP regimen, his paraprotein levels dropped below 10 g/L and there was no recurrence of the hematemesis or melena.