A surgical case of ciliated muconodular papillary tumor in the left lower lobe

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  • 左肺下葉原発のciliated muconodular papillary tumorの1手術例

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<p>Ciliated muconodular papillary tumor (CMPT) is a rare tumor, it occurs in periphery of the lung, and is characterized by pilus cells and goblet cells with mucus production that show papillary proliferation in a lepidic growth pattern. It has characteristics of benign and malignant tumors but remains to be fully uncharacterized.</p><p>A 67-year-old woman underwent computed tomography (CT). A 4-mm diameter nodule was observed in the left lower lobe, and was diagnosed as an inflammatory change. Four years later, CT showed that the nodule had increased to 7 mm in diameter. We performed surgery for diagnosis and treatment. Partial resection was performed by thoracoscopy and the nodule was diagnosed as CMPT. There has been no recurrence in the 2 years since surgery.</p>

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