Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Lung Cancer with a Small Cell Carcinoma Component Diagnosed from Pleural Effusion and a Squamous Cell Carcinoma Component Diagnosed from the Tumor
Yoshiaki ZaizenTakaaki TokitoKen MasudaKoichi AzumaYoshiki NaitoShingo TsuneyoshiYuki SakazakiNorikazu MatsuoHidenobu IshiiKazuhiko YamadaJun AkibaTomoaki Hoshino
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JOURNALS OPEN ACCESS

2018 Volume 57 Issue 23 Pages 3419-3422

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Abstract

There have been few reports on the accuracy of the diagnosis of small-cell carcinoma based on a cytological examination of malignant pleural effusion, so whether or not such a diagnosis is possible using this approach alone remains unclear. We herein report a 76-year-old Japanese man in whom small-cell carcinoma was diagnosed cytopathologically from pleural effusion and squamous cell carcinoma was diagnosed histopathologically from a transbronchial biopsy. Tumor shrinkage was achieved by treatment with docetaxel, but the efficacy of carboplatin plus etoposide was inadequate. If small-cell carcinoma is detected on the basis of pleural fluid cytopathology alone, it is extremely important to perform a histopathological examination to rule out the possibility of other malignancies.

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© 2018 by The Japanese Society of Internal Medicine
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