Related Experiment Video
Updated: Feb 3, 2026

Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
Published on: April 12, 2024
Endoscopic resection of symptomatic os calcaneus secundarius
1Department of Orthopaedics and Traumatology, North District Hospital, 9 Po Kin Road, Sheung Shui, NT, Hong Kong Special Administrative Region.
Abstract:
Os calcaneus secundarius is an accessory ossicle resulting from a secondary ossification center of the anterior facet of the calcaneus. It may cause chronic pain and limitation in inversion motion after inversion ankle sprain. Excision of the ossicle is indicated if the symptoms do not resolve with conservative treatment. A case of symptomatic os calcaneus secundarius, which was successfully resected endoscopically, is presented.
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