Chonnam Med J.
2001 Jun;37(2):185-188.
A Case of the Solitary Pulmonary Nodule Diagnosed as Pulmonary Paragonimiasis
- Affiliations
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- 1Department of Internal Medicine, Chonnam National University Medical School, Kwangju, Korea.
- 2Department of Diagnostic Radiology, Chonnam National University Medical School, Kwangju, Korea.
- 3Department of Thoracic and Cardiovascular Surgry, Chonnam National University Medical School, Kwangju, Korea.
- 4Department of Anatomic Pathology, Kwangju Christian Hospital, Kwangju, Korea.
- 5Research Institute of Medical Sciences, Chonnam National University, Kwangju, Korea.
Abstract
- Human paragonimiasis is caused by consumption of raw or improperly cooked crustacea infected by metacercaria (larval stage). In Korea it had been a highly endemic disease until the late 1960s, and after then its prevalence has been markedly decreased. Still, it is sporadically occurring and is one of the lung diseases which need differential diagnosis. A fifty-year-old, non-smoking female presenting hemoptysis admitted to Chonnam University Hospital for the diagnosis and management of the solitary pulmonary nodule. Past medical history was unremarkable except for tuberculous pleurisy for which anti-tuberculous medication was taken for 18 months 3 years ago. A plain film and CT scanning of the chest showed a solitary pulmonary nodule sized 3 x 3 cm in right upper lobe. Serial chest films showed a waxing and waning RUL nodule since two years ago. Transbronchial lung biopsy gave no confirmatory diagnosis. After right uppper lobectomy with thoracotomy, a granuloma containing ova of Paragonimus westermani was demonstrated. We report a case of pulmonary paragonimiasis presented as a solitary pulmonary nodule. Paragonimiasis should be included in making differential diagnosis of pulmonary nodule in Korea.
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