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Multiple early bronchioloalveolar carcinomas in both lungs

Department of Surgical Oncology, Hokkaido University School of Medicine, N-15, W-7, Kita-ku, Sapporo 060-8638, Japan

^* Corresponding author. Tel.: +81-11-716-1161x5932; fax: +81-11-706-7158
s-hayama{at}par.odn.ne.jp

We treated a 49-year-old woman with synchronous multiple bronchioloalveolar carcinomas (BAC). Multiple bilateral ‘ground-glass’ opacities were detected by computed tomography (CT). We performed partial lung resection, and the pathologic diagnosis was atypical adenomatous hyperplasia. Two and one-half years later, a lesion showed enlargement, and was resected along with some others. The histopathologic diagnosis was multiple early BAC. High-resolution CT is likely to detect increasing numbers of similar cases.

Key Words: Multiple lung carcinomas; Synchronous tumors; Bronchioloalveolar carcinoma in situ; Ground glass opacity