A Case of Pleomorphic Carcinoma and Mucoepidermoid Carcinoma Occurring as Synchronous Multiple Primary Lung Cancers

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  • 多形癌と粘表皮癌を併発した同時性多発肺癌の1例

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<p>Background. Pleomorphic carcinoma (PMC) and mucoepidermoid carcinoma (MEC) of the lung are rare histological types of tumor. We herein describe a case of PMC and MEC occurring as synchronous multiple primary lung cancers. Case. A 74-year-old man was referred to our department because of a double mass in the left lower lobe. The examination of a transbronchial lung biopsy specimen confirmed the presence of non-small cell lung carcinoma (NSCLC). Both lesions were localized in the left lower lobe, and we performed thoracoscopic left lower lobectomy with lymph node dissection (2a-1). The pathological diagnoses were PMC (S6, pT3N0M0, Stage IIB) and MEC (S9, pT4N0M0, Stage IIIA). The postoperative course was uneventful. He left our hospital 2 weeks after surgery. Conclusion. We described a rare case of simultaneous PMC and MEC. This shows that multiple lung nodules can be synchronous multiple primary lung cancers as well as primary lung cancer and pulmonary metastases.</p>

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  • Haigan

    Haigan 59 (1), 66-70, 2019-02-20

    The Japan Lung Cancer Society

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