Abstract
Large bone cyst of the talar body is frequently associated with an osteochondral lesion. The talar bone cyst can be an incidental radiologic finding. However, when the talus is extensively destroyed, there is a risk of pathologic fracture and damage to the articular cartilage, leading to persistent swelling and pain of the subtalar joint and ankle joint. Open debridement and bone grafting frequently requires extensive soft-tissue dissection or even different types of malleolar osteotomy for proper access to the lesion. The purpose of this Technical Note is to describes the technique of endoscopic curettage, nanofracture, and filling the cyst with injectable bone graft substitute. This minimally invasive approach has minimal disruption of the normal cartilage surface.
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