Primary hydatid disease of the femur: unsuspected and incidental MRI findings with long-term curative results on medical treatment alone

This report describes the early magnetic resonance imaging (MRI) findings a nd long-term follow-up results of albendazole treatment in a 16-year-old gi rl with primary hydatid disease of the femur diagnosed incidentally during the course of a post-traumatic knee infection. As far as we know, this is t he first report of the early MRI findings and long-term outcome of medical treatment in primary hydatid disease of the femur in this age group.