Hidatidosis de fémur: causa inusual de lesión ósea primaria

La hidatidosis osea es rara, representando el 0,5- 4% del total de localizaciones y se caracteriza por un curso insidioso con un largo periodo de latencia, diagnosticandose en estadios muy avanzados. Se presenta un caso de hidatidosis del femur con extension extraosea en un varon de 62 anos de edad, agricultor, con fractura patologica, en ocasion de un accidente vial, siendo los hallazgos radiologicos sugestivos de malignidad. Se efectuo laboratorio y exeresis parcial del femur, que permitio el diagnostico de hidatidosis osea.(AU) Hydatidosis of bone is rare, accounting for only 0.5-4 % of cases in this topography. Is characterized by an insidious progression and a very large latency, therefore the disease being diagnosed at an advanced stage. This is the report of a case of the femur hydatidosis, in a 62- year-old man farmer, with pathological fracture, caused by a traffic accident. Radiographic findings suggest malignancy. Laboratory studies and a partial punction of femur were made with results for hydatidosis.(AU)