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KMID : 1103720130690050365
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Journal of the Korean Society of Radiology
2013 Volume.69 No. 5 p.365 ~ p.371
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Paragonimiasis: A Pictorial Essay
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Jeon Kyung-Nyeo
Park Mi-Jung
Bae Kyung-Soo
Choi Hye-Young
Choi Ho-Cheol
Na Jae-Boem
Choi Dae-Seob
Kim Ho-Cheol
Jang In-Seok
Kim Dong-Chul
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Abstract
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Pleuropulmonary paragonimiasis is a parasitic infection caused by lung flukes including Paragonimus westermani. Paragonimiasis usually occurs from ingestion of raw or improperly cooked freshwater crabs or crayfish. Pleural or lung parenchymal lesions are commonly found on CT or chest radiographs, and radiologic manifestations of pleuropulmonary paragonimiasis vary with the stage of the disease. Early findings include pneumothorax or hydrothorax, focal air-space consolidation, and linear opacities. Later findings include thin-walled cysts, mass-like consolidation, nodules, or bronchiectasis. Pulmonary paragonimiasis often can be mistaken for pulmonary tuberculosis in tuberculosis-endemic areas or lung cancer when it presents as a solitary pulmonary nodule. Intraperitoneal or ectopic lesions such as those in the retroperitoneum can form during migration of a juvenile worm from the small intestine to the lungs. Although the symptoms and signs of pulmonary paragonimiasis are nonspecific, an early diagnosis can be made if radiologists understand the pathogenesis and typical imaging findings of the disease. The purpose of this report was to demonstrate the various imaging findings of pleuropulmonary paragonimiasis and to review articles to help radiologists make a proper diagnosis.
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KEYWORD
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Paragonimiasis, Lung, Infection, Computed Tomography
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