A case of local malignant pleural mesothelioma with multicystic formation

DOI 5 References
  • Suzuki Hitoshi
    Department of Thoracic Surgery, Mie Prefectural General Medical Center
  • Shomura Shin
    Department of Thoracic Surgery, Mie Prefectural General Medical Center
  • Maeshiro Ryou
    Department of Thoracic Surgery, Mie Prefectural General Medical Center
  • Inoue Kentaro
    Department of Thoracic Surgery, Mie Prefectural General Medical Center
  • Yada Masaki
    Department of Thoracic Surgery, Mie Prefectural General Medical Center
  • Kondo Chiaki
    Department of Thoracic Surgery, Mie Prefectural General Medical Center

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  • 多嚢胞性腫瘤像を呈した限局性悪性胸膜中皮腫の1手術例

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Abstract

A 65-year-old male was referred to our hospital because of dyspnea on effort. An abnormal mass shadow in the right lung field and right pleural effusion were noted on chest radiograph. Chest computed tomography revealed a round mass measuring 5 cm with a smooth margin and heterogeneous inner structure in the right chest wall. For diagnostic and therapeutic purposes, surgery was performed for the total removal of the tumor together with resection of the intercostal muscle and partial resection of the right upper lobe. Histopathologic examination revealed a 50-mm tumor located within the parietal pleura, and the final diagnosis was a biphasic type of LMM with multicystic formation in the pedunculated pleural mass based on immunohistochemical studies. The tumor recurred in the right chest wall 2 years and 6 months after the operation, chemotherapy was conducted, and he has survived for 3 years. The relapsed disease was considered to be a dissemination and different from DMM. Further pathological study and the establishment of treatment for DMM are warranted.

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