Background: Hydatidosis is a parasitic disease linked to the development of Echinococcus Granulosus larval form in humans. This anthropozoonosis characterized by many topographical and evolutionary aspects. Musculoskeletal hydatidosis rare, it represents only 0.9 2.5% all locations. Objective: aim this manuscript report rare case bone muscle location hydatid cyst show imaging cont...

We report three cases of spontaneous healing of aneurysmal bone cysts (ABC). In one case histological material was obtained after resection of the already ossified expansile mass discovered as a lytic lesion seven months previously. In the two other patients, spontaneous ossification of a radiologically presumed ABC in the lytic and expansile phase was observed after nine and seven months respe...