Parasites, Hosts and Diseases

"Kwangha Lee"

Case Report

A Pulmonary Paragonimiasis Case Mimicking Metastatic Pulmonary Tumor: Ki Uk Kim, Kwangha Lee, Hye-Kyung Park, Yeon Joo Jeong, Hak Sun Yu, Min Ki Lee; Korean J Parasitol 2011;49(1):69-72.
Published online March 18, 2011; DOI: https://doi.org/10.3347/kjp.2011.49.1.69

Abstract
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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.

Citations

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