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KMID : 0882420160900020144
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Korean Journal of Medicine
2016 Volume.90 No. 2 p.144 ~ p.147
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Pulmonary Placental Transmogrification Presenting as a Small Lung Nodule
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김학수:Kim Han-Su
이지현:Lee Ji-Hyun/정혜철:Jeong Hye-Cheol/김정현:Kim Jung-Hyun/박수형:Park Su-Hyung/권아영:Kwon Ah-Young/김은경:Kim Eun-Kyung
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Abstract
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Pulmonary placental transmogrification (PT) is a rare lung disease that takes on the histologic appearance of placental chorionic villi. We herein report a case of PT in a 66-year-old woman who presented with a single nodule on chest radiography performed during a routine health examination. She had no complaints of any symptoms. Chest radiography showed a focal ill-defined nodular opacity in the right lower lobe; chest computed tomography revealed a 17-mm lobulated, focal irregular mass with fissural retraction in the right lower lobe, suggestive of lung cancer. Pathology of a percutaneous needle aspiration biopsy revealed papillary structures resembling placental villi. These were lined by cytotrophoblast-like cells and syncytiotrophoblasts. This characteristic pathologic finding led to a diagnosis of PT. PT of the lung is found mainly in bullous or cystic lesions. However, this patient presented with a single nodule on chest radiography.
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KEYWORD
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Neoplasm, Lung, Placenta, Chorionic villi
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