Queer localizations of primary hydatid disease: experience from a single institute

Background: Cystic hydatid disease is a zoonosis caused by Echinococcus granulosus. It may affect any organ and tissue in the body, in particular the liver and Lung. Primary extrahepatic hydatid cysts are rare, can have atypical presentations and can pose a diagnostic challenge. Methods: This retrospective study was carried out in the Department of Surgery at tertiary care hospital in Ajmer, Rajasthan, India.   Twenty patients diagnosed with hydatid cysts without involving liver were included in this study. All patients were managed surgically from January 2009 to December 2015 and evaluated retrospectively collected data. Results: The cysts were present in lungs (30%), kidney (15%), spleen (10%), subcutaneous (10%), inguinal canal (5%), breast (5%), intramuscular (10%), thyroid (5%), retroperitoneal (5%), parotid (5%).. Conclusions: The occurrence of Hydatid cystic disease in locations sites other than liver and lungs is very rare. Symptoms are related to size, location or possible complication of the cyst. Hydatid disease is a differential diagnosis of cystic lesions, especially for the cystic lesions encountered in patients who live in or have come from endemic region.