Bony Hydatidosis of Femur Head - A Rare Case Report.

Introduction: Hydatid disease occurs due to Echinococcus in humans as they are intermediate host for tapeworm. The bone involvement is rare. Insidious nature and nonspecific nature of complaints make delay in diagnosis. Surgery is the mainstay of treatment with role of chemotherapy is as an adjunct treatment modality.

Case report: An 18-year-old male patient presented with the left groin pain and terminal restriction of hip movement for 1 year duration. The patient underwent open biopsy and histopathological examination of tissue specimen revealed hydatid cyst. The patient was started on albendazole and after 3 months, surgical curettage and removal of cysts were performed with application of bone cement. At 8 years follow-up, the patient is asymptomatic and doing well.

Conclusion: The treatment of osseous hydatid disease is challenging. High index of suspicion in endemic areas is required along with radiological and laboratory investigation to confirm the diagnosis. Timely and proper management can completely cure the patient without any residual pathology with full functional recovery.