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Pleural paragonimiasis in a Southeast Asia refugee
The American Review of Respiratory Disease
|August 1, 1981
Summary
Pleural paragonimiasis can occur without typical symptoms like hemoptysis or lung infiltrates. Diagnosis relies on finding Paragonimus ova in pleural fluid, not just sputum or stool, especially in refugees.
Area of Science:
- Parasitology
- Infectious Diseases
- Medical Diagnostics
Background:
- Paragonimiasis is a parasitic lung infection caused by Paragonimus species.
- Typical pulmonary paragonimiasis presents with hemoptysis, pulmonary infiltrates, and ova in sputum/stool.
- Pleural paragonimiasis is a less common manifestation.
Observation:
- A Laotian patient presented with pleural paragonimiasis lacking the classic diagnostic triad.
- No chronic hemoptysis, pulmonary infiltrates, or ova in sputum/stool were observed.
- Diagnosis was confirmed by detecting Paragonimus ova in pleural fluid.
Findings:
- Pleural effusion did not resolve with bithionol, the standard treatment for pulmonary paragonimiasis.
- Chest tube drainage was necessitated due to treatment failure.
- This highlights the distinct clinical course of pleural versus pulmonary paragonimiasis.
Implications:
- Detecting ova in pleural fluid is crucial for diagnosing pleural paragonimiasis when classic signs are absent.
- Physicians should consider paragonimiasis in refugees with unexplained chronic pleuropulmonary conditions.
- This case underscores the importance of considering parasitic infections beyond tuberculosis in endemic populations.