Introduction: Osseous hydatidosis is a rare orthopedic condition. Osseous hydatidosis leading to chronic osteomyelitis is rarer with very few articles published on it. This presents a challenge in diagnosis and treatment. Here, we report a patient with chronic osteomyelitis secondary to Echinococcal infection.
Case report: A 30-year-old lady with fracture left femur operated elsewhere presented with a draining sinus. She underwent a debridement and sequestrectomy. The condition was quiescent until 4 years later when symptoms recurred. She again underwent debridement, sequestrectomy, and saucerisation. The biopsy showed hydatid cyst.
Conclusion: The diagnosis and treatment are challenging. The chances of recurrence are very high. Multimodality approach is recommended.
Keywords: Osseous hydatidosis; chronic osteomyelitis; hydatid cyst.
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