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KMID : 1039420180520030206
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Journal of Pathology and Translational Medicine
2018 Volume.52 No. 3 p.206 ~ p.209
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Merkel Cell Carcinoma Metastatic to Pleural Fluid: A Case Report
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Rhee Ye-Young
Kim Soo-Hee
Kim Eun-Kyung
Kim Se-Hoon
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Abstract
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Merkel cell carcinoma (MCC) is a rare aggressive neuroendocrine carcinoma of the skin that shows locoregional or distant metastasis. Metastasis of MCC to body cavity effusion is extremely rare; only three cases have been reported so far. Metastatic MCC in effusion cytology shows small blue round cells with fine stippled chromatin like other small blue round cell tumors such as small cell lung carcinoma or lymphoma. The diagnosis of metastatic MCC can grant patients good chances at recently advanced therapeutic options. Here, we present a case of metastatic MCC to pleural effusion with characteristic single file-like pattern.
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KEYWORD
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Carcinoma, Merkel cell, Neoplasm metastasis, Pleural fluid, Liquid-based cytology
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