The Journal of the Japanese Association for Chest Surgery
Online ISSN : 1881-4158
Print ISSN : 0919-0945
ISSN-L : 0919-0945
A patient with lymphoma of mucosa-assocated lymphoid tissue (MALT) and lung cancer in the same tumor of the lung
Yukio SekiMunehisa ImaizumiTakayuki FukuiSyouichi Inoue
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2003 Volume 17 Issue 5 Pages 596-599

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Abstract

We report a 73-year-old man with lymphoma of mucosa-assocated lymphoid tissue (MALT) and lung cancer in the same tumor of the lung. He was admitted to our hospital for three months with corticosteroid therapy due to bronchiolitis obliterans organizing pneumonia in right upper lobe in 1994. Chest x-ray showed a mass in the same site of the lung in December 1997. Because the tumor was getting bigger, partial resection of the right upper lobe was performed. The tumor was histologicaly diagnosed as lymphoma of mucosa-assocated lymphoid tissue (MALT). He had no additional therapy. A new mass was detected on chest x-ray film perfomed as a routine check in May 2001. The lesion was 2.5cm in diameter and was located in the margin of the previously partialy resected lesion. As the tumor was diagnosed as adenocarcinoma by transbronchoscopic lung biopsy, we performed right upper and middle lobectomy with lymph node dissection (ND2a). The lung tumor was histologicaly diagnosed as well-differentiated adenocarcinoma with relapse of lymphoma of mucosa-assocated lymphoid tissue (MALT). The cancer cells were positive for keratin and the cancerous lymphocytes were positive for CD20 (pan B).

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