Using a Custom Mega Prosthesis to Treat Hydatidosis of Bone: A Report of 3 Cases

Abstract

Three cases of hydatidosis of bone with pathological fracture were treated by wide resection, custom mega prosthesis replacement, and chemotherapy. Two patients were females and one was male, with a mean age of 47 years (range, 38-55 years). Two of them had a pathological fracture of the proximal femur, and one had a pathological fracture of the distal femur. All patients were treated postoperatively with albendazole 400 mg, twice daily, for 12 weeks. During the mean follow-up period of 4.5 years, no recurrence of Echinococcal infection was noticed. The use of the custom mega prosthesis technique has not been reported elsewhere, and hydatid disease of the bone can now be considered an extended indication for custom mega prosthesis in addition to its application in surgery for tumours and massive trauma.

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