Background: Pulmonary hydatid cystic disease or pulmonary cystic echinococcosis is caused by the tapeworm Echinococcus granulosus. The cysts are usually incidental findings of well-defined round lesions on chest radiographs or on a computer tomography which can rupture and cause symptoms.
Case Presentation: This case report presents a complicated clinical course of pulmonary hydatid cystic disease in a 50-year-old farm worker, in whom the diagnosis was not initially thought of.
Conclusion: The discussion highlights the importance of considering this disease in the differential diagnosis of any pulmonary cystic lesion, as significant complications arose because of the investigations performed.
Key words: Nodule, cystic echinococcosis, hydatid lung disease, case report
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