A pulmonary paragonimiasis case mimicking metastatic pulmonary tumor |
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Authors: | Kim Ki Uk Lee Kwangha Park Hye-Kyung Jeong Yeon Joo Yu Hak Sun Lee Min Ki |
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Affiliation: | 1Department of Internal Medicine, Pusan National University School of Medicine, Busan 602-739, Korea.;2Department of Radiology, Pusan National University School of Medicine, Busan 602-739, Korea.;3Department of Parasitology, Pusan National University School of Medicine, Busan 602-739, Korea. |
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Abstract: | Pulmonary paragonimiasis is a relatively rare cause of lung disease revealing a wide variety of radiologic findings, such as air-space consolidation, nodules, and cysts. We describe here a case of pulmonary paragonimiasis in a 27-year-old woman who presented with a 2-month history of cough and sputum. Based on chest computed tomography (CT) scans and fluorodeoxyglucose positron emission tomography (FDG-PET) findings, the patient was suspected to have a metastatic lung tumor. However, she was diagnosed as having Paragonimus westermani infection by an immunoserological examination using ELISA. Follow-up chest X-ray and CT scans after chemotherapy with praziquantel showed an obvious improvement. There have been several reported cases of pulmonary paragonimiasis mimicking lung tumors on FDG-PET. However, all of them were suspected as primary lung tumors. To our knowledge, this patient represents the first case of paragonimiasis mimicking metastatic lung disease on FDG-PET CT imaging. |
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Keywords: | Paragonimus westermani paragonimiasis positron emission tomography tumor metastasis |
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