Clinical manifestations of primary pulmonary extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue in Japanese population.
Jan 2012
Source
Department of Hematology, Yokohama City University Medical Center, Yokohama, Japan.
Abstract
We retrospectively analysed 16 cases of newly diagnosed pulmonary mucosa-associated lymphoid tissue (MALT)lymphoma in the Japanese population. The disease was found on the basis of examination findings in 14 cases, and clinical manifestations in 2. According to the extensive staging procedure, four patients had concomitant gastric involvement. Primary treatment involved surgery alone in two patients; surgery followed by rituximab (R)-containing chemotherapy in two; R-containing chemotherapy alone in 11; and chemoradiotherapy without R in one. Over the median observation period of 28 months, disease progression was recorded in three patients, but all 16 patients were alive at the end of the observation period. One patient was treated with R alone and achieved partial remission; subsequent tentative surgery showed no evidence of residual lymphoma. It has been 72 months of progression-free survival after the diagnosis. Primary pulmonaryMALT lymphoma exhibited an indolent clinical course. R has potential as a therapeutic agent in patients with pulmonaryMALT lymphoma.
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