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Diffuse Pulmonary Meningotheliomatosis: A Case Report.
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HOME > J Pathol Transl Med > Volume 45; 2011 > Article
Case Report Diffuse Pulmonary Meningotheliomatosis: A Case Report.
Jungsuk An, Heejung Park, Joungho Han, Tae Sung Kim, Yong Soo Choi, Moon Seok Choi, Sang Won Um
Journal of Pathology and Translational Medicine 2011;45(0):S32-S35
DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S32
1Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. hanjho@skku.edu
2Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Department of Thoracic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
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Diffuse pulmonary meningotheliomatosis (DPM) is an extremely rare condition. We herein report a unique case of DPM in a 54-year-old woman with a previous history of hepatocellular carcinoma. A chest computed tomography showed diffuse bilateral nodular infiltration, suggesting miliary spread of metastatic hepatocellular carcinoma. The patient underwent a video-assisted thoracoscopic surgery for diagnostic purposes. The cut surface of the lung specimen showed multiple dispersed small nodules, consisting of variably sized nests or whorls of bland epithelioid cells often along the walls of alveolar septa or in a perivascular network within the alveolar interstitium. The tumor cells showed immunoreactivity for epithelial membrane antigen, vimentin, and progesterone receptor. DPM should be included in the differential diagnosis of diffuse multiple small nodules or a reticular pattern in the radiologic studies.

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