Hidatidosis ósea primaria humeral: una localización poco frecuente / Primary humeral echinococcosis: an unusual hydatid disease

Presentamos el caso de un hombre de 32 años con enfermedad hidatídica humeral complicada con fractura patológica y extensión extraósea. Se estableció el diagnóstico mediante radiografías, TC y laboratorio. La evolución postquirúrgica resultó favorable. Señalamos la importancia de considerar la hidatidosis ósea en el diagnóstico diferencial de lesiones destructivas óseas y como posible causa de masa palpable en la pared torácica, especialmente en regiones endémicas

Hidatidosis del omóplato con localización extraósea / Scapular hydatidosis with extraosseous involvement

A forty three-year-old female, born in a rural area of southern Chile, at the age of 30 presented pain and limitation of motility of the righ shoulder. Later on, she presented an increasing of volume at the right scapular region. A radiography showed an osteolytic lesion of the scapula. In a biopsy an osseous hydatidosis was found and a hydatid cyst was extirpated from the soft tissues. Four years later, as she presented again pain and volume increasing in the same anatomical area, albendazole was given to her, and a CAT practiced revealed osteolytic lesions of the bone, several periosteal ruptures and multiple cyst in the muscles. She was submitted so surgery again in order to extirpate cyst. After two years the patient presented the same clinical manifestations and radiological and CAT images previously observed. In considering all these facts a radical surgery was decided