A New Case of a Primary Hydatid Cyst of Chest Wall

Hydatidosis, which is a parasitosis caused by echinococcus granulosus, remains an endemic pathology in Morocco. The liver and the lung present the preferential localization of this pathology, however the localization at the chest wall is extremely rare. We report the case of an elderly woman who consults for a tumefaction of the right anterior chest wall. Ultrasound of soft tissues has objectified a well-defined cystic formation below the clavicle. However, the Radiological investigations especially for the liver and lungs was negative.