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KMID : 0880420130140040692
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Korean Journal of Radiology
2013 Volume.14 No. 4 p.692 ~ p.696
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Uncommon of the Uncommon: Malignant Perivascular Epithelioid Cell Tumor of the Lung
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Lim Hyun-Ju
Lee Ho-Yun
Han Joung-Ho
Choi Yong-Soo
Lee Kyung-Soo
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Abstract
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A perivascular epithelioid cell (PEC) tumor is a rare mesenchymal tumor characterized by abundant cytoplasmic Periodic acid-Schiff positive glycogen (also called sugar tumor or clear cell tumor of the lung for this characteristic) and is mostly benign. We report a case of a 63-year-old man who presented with an enlarging mass on chest radiograph. After a thorough workup, diagnosis of malignant pulmonary PEC tumor with lung to lung metastases was established. Herein, the difficulties of diagnosis and management we confronted are described.
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KEYWORD
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Perivascular epithelioid cell, Pecoma, Clear cell sugar tumor, Lung tumor
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