CTICasesPulmonary Paragonimiasis
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Imaging findings
Chest radiograph showed consolidation in the left upper lobe. CT revealed peripheral consolidation in the left lung and a bizarre-shaped, rather tubular cavity in the right lung. These tubular cavitations were considered critical to the diagnosis. Liver findings of low-density lesions were also noted.
Key takeaways
Paragonimiasis is a parasitic lung infection acquired by eating undercooked freshwater crabs or other crustacea infected with Paragonimus worms. Key imaging findings can include consolidation and characteristic tubular cavitations, which represent tracks left by the crawling worms. Peripheral eosinophilia is a common laboratory finding. The disease has a complicated life cycle involving snails and freshwater crabs. It can cause chest pain, pneumothorax, and bleeding.
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