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Age / Sex : 54 / M
Chief complaint : incidental finding
What is your diagnosis?
Two weeks later, you can see the final diagonosis with a brief discussion of this case (Please submit only one answer)
Courtesy : 박세경 (Sekyoung Park), 고신대학교 복음병원 (Kosin University Gospel Hospital)
Diagnosis: Peroneocalcaneus internus (accessory muscle)
Discussion
Findings
A muscle arises from the internal aspect of the fibula, below the origin of the flexor hallucis longus, and descends posterior to this displacing it anteriorly and medially, with the tendons running parallel. And the muscle inserts on a small tubercle on the medial aspect of the calcaneus
References
1. Anatomical variation in the ankle and foot: from incidental finding to inductor of pathology. Part I: ankle and hindfoot. Insights into Imaging volume 10, Article number: 74 (2019)
2. Accessory muscles around the foot and ankle presenting as chronic undiagnosed pain. An illustrative case report and review of the literature. The Foot Volume 23, Issue 4, December 2013, Pages 154-161
3. False FHL: A Normal Variant Posing Risks in Posterior Hindfoot Endoscopy. Arthroscopy: The Journal of Arthroscopic and Related Surgery, Volume 26, Issue 5, May 2010, Pages 714-718
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