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A Pulmonary Paragonimiasis Case Mimicking Metastatic Pulmonary Tumor

Korean Journal of Parasitology 2011년 49권 1호 p.69 ~ 72
 ( Kim Ki-Uk ) - Pusan National University College of Medicine Department of Internal Medicine

이광하 ( Lee Kwang-Ha ) - Pusan National University College of Medicine Department of Internal Medicine
 ( Park Hye-Kyung ) - Pusan National University College of Medicine Department of Internal Medicine
정연주 ( Jeong Yeon-Joo ) - Pusan National University School of Medicine Department of Radiology
 ( Yu Hak-Sun ) - Pusan National University School of Medicine Department of Parasitology
 ( Lee Min-Ki ) - Pusan National University College of Medicine Department of Internal Medicine

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.

키워드

Paragonimus westermani; paragonimiasis; positron emission tomography; tumor; metastasis
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