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. 2022 Jun 9;4(4):e1385–e1395. doi: 10.1016/j.asmr.2022.04.027

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© 2022 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 5 — Endoscopic views of the left calcaneus from the distal portal using a 2.3-mm. 30° arthroscope (Stryker) for fluoroscopic and endoscopic calcaneal exostosis resection and Achilles tendon debridement for insertional Achilles tendinopathy. (A) View immediately after introducing the endoscope. Debris of the abraded spur interfered with the view. (B) View after cleaning the debris using a 3.5-mm cutter (Stryker) introduced through the proximal portal. The space left after the fluoroscopic resection of the calcaneal bone exostosis was a working space for endoscopy. The exostosis was resected, and the cancellous bone of the calcaneus was exposed (C). The intact anterior portion of the Achilles tendon was visible (A). The distal portion of the Achilles tendon that had attached to the exostosis was released by resecting the exostosis (D, ellipse). This portion was neither a normal tendon nor a normal bone, but was rather a hybrid of bone and tendon, which was debrided endoscopically. A, Anterior portion of the Achilles tendon; C, calcaneus; D, distal portion of the Achilles tendon that had attached the exostosis. (C) After endoscopic Achilles tendon debridement. A, Achilles tendon; C, calcaneus; P, paratenon calcified; and S, skin.