The Journal of the Japanese Respiratory Society ONLINE JOURNAL

ABSTRACT

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Article in Japanese

Case Report

A Patient with Lymphoma of Mucosa-associated Lymphoid tissue (MALT) and Adenocarcinoma in the Same Tumor of the Lung

Yuko Akita1) , Masayuki Suzuki1) , Tomohiko Ogasawara1) , Akihiro Inukai1) , Keiko Shinjo1) , Mikinori Miyazaki1) , Katuyasu Yamada1) and Norio Mukoyama2)

Department of Respiratory Medicine1), Department of Thoracic Surgery2), Nagoya Daini Red Cross Hospital, Nagoya 466-8650, Japan

ABSTRACT

A 60-year-old woman with no symptoms was found to have a mass shadow in the left lower lobe of the lung on chest radiography. Open lung biopsy and left lower lobectomy were performed. Histopathological study of the specimen revealed two distinct neoplasms. One tumor was a low grade B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) of the lung, while the other was an adenocarcinoma. The two neoplasms were admixed to form a composite tumor.

KEYWORDS: MALToma of the lung, Adenocarcinoma, Immunohistochemistry

RECEIVED: 2000.8.7

JJRS, 39(5): 368-371, 2001