A Rare Presentation of Aneurysmal Bone Cyst – Calcaneum
Journal Title: Kerala Journal of Orthopaedics - Year 2018, Vol 0, Issue 0
Abstract
Introduction: Aneurysmal bone cysts are a benign non-neoplastic reactive bone lesion filled with multiple blood-filled cavities, can be locally destructive to normal bone, and may extend to soft tissue. It is usually seen in the second decade. The exact etiology is unknown. Typically metaphyseal, the most common site is femur and tibia. It is the only bone lesion that derives its name from its X-ray appearance rather than its histology. It is rarely seen in bones of feet. It is usually seen in the second decade. Aneurysmal bone cysts were first described by Jaffe and Litchensen in 1942. The exact etiology is unknown. One of the most widely accepted ideas was that aneurysmal bone cyst was a consequence of increased venous pressure and subsequent dilatation and rupture of local vascular network. However, studies by Panoutsakopoulus et al. and Olivia et al. uncovered the clonal neoplastic nature of aneurysmal bone cysts. Here, we report a case of aneurysmal bone cyst of calcaneum which is one the rarest site. Case Report: A 22-year-old male presented with a history of trivial fall from step and sustained injury to the right heel. On examination, he had swelling around the ankle and foot with tenderness. Swelling was soft in consistency and tender. The patient was evaluated radiologically and diagnosed as pathological fracture of calcaneum. Curettage biopsy and bone grafting were done. The patient was pain free and was bearing weight fully on the operated limb, 6 weeks postoperatively. Conclusion: Aneurysmal bone cyst of calcaneum although seen rarely, should be considered as one of the differential diagnoses in the cystic lesions in calcaneum. Curettage and bone grafting have stood the test of time as standard treatment.
Authors and Affiliations
N K Mohammad Salil, S Anoop S Anoop, M Raffic M Raffic
Keywords
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