Objective: To describe arthroscopic resection of talocalcaneal coalition which can be challenging with open surgery.
Procedure: In prone position, using two posterior portals, subtalar joint and coalition is exposed protecting flexor hallucis longus (FHL) and medial neuro-vascular structures. Coalition excision with arthroscopic burr confirmed under vision with improved subtalar joint motion. Bone wax applied for interposition. CAM boot is given.
Conclusion: Excellent visualization of the coalition and access to posterior facet for resection which can be challenging with open surgery. No need for post-operative casting, early ankle mobility decreases recurrence of coalition. Disadvantage – Learning curve for ankle arthroscopy.
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