Late Multiple Pleural Metastases of Renal Cell Carcinoma

Department of Respiratory Medicine, Kurashiki Central Hospital, Japan.
Internal Medicine (Impact Factor: 0.9). 11/2013; 52(21):2475. DOI: 10.2169/internalmedicine.52.0641
Source: PubMed
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    ABSTRACT: Background. Myxofibrosarcoma is a relatively rare soft tissue tumor appearing most commonly on the limbs of elderly patients. There are limited reports about its pleural metastasis. Case: An 86-year-old male with a past history of myxofibrosarcoma in the left scapular region visited our department with a chief complaint of dyspnea. A plain chest X-ray showed right pleural effusion and a chest computed tomography (CT) scan revealed pleural tumors with effusion. After admission to hospital, with a cytological analysis of the pleural aspirate, which proved inconclusive, we performed thoracoscopy under local anesthesia, which revealed red pleural nodules. A histopathological examination confirmed that the nodules were composed of metastatic myxofibrosarcoma. Conclusion: When pleural effusion cytology is inconclusive in a patient with a past history of myxofibrosarcoma, thoracoscopy under local anesthesia can be useful for the diagnosis of pleural metastasis.
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