Botulinum Toxin Injection for the Treatment of Compression of Lateral Plantar Nerve by Flexor Digitorum Accessorius Longus

Author:

Lee Jun Yeon,Kim Dong Hwee

Abstract

Abstract The flexor digitorum accessorius longus is an anomalous muscle with a reported prevalence of 1.6%–12.2% in cadaveric studies. Flexor digitorum accessorius longus courses through the tarsal tunnel and has been reported as an etiology of tarsal tunnel syndrome in previous case reports. The flexor digitorum accessorius longus is intimately related to the neurovascular bundle and may impinge on the lateral plantar nerves. However, very few cases of lateral plantar nerve compression by the flexor digitorum accessorius longus have been reported. Herein, we report a case of lateral plantar nerve compression caused by the flexor digitorum accessorius longus muscle in a 51-year-old man who complained of insidious pain at the lateral sole and hypoesthesia at the left third–fifth toe and lateral sole, and the pain improved after treatment of botulinum toxin injection into the flexor digitorum accessorius longus muscle.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Rehabilitation,Physical Therapy, Sports Therapy and Rehabilitation

Reference9 articles.

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