title: A rare case of an accessory flexor hallucis longus causing tarsal tunnel syndrome.
abstract: Tarsal tunnel syndrome (TTS) is a rare entrapment neuropathy of the tibial nerve within the fibro-osseous tarsal tunnel for which multiple etiologies, including trauma, congenital foot abnormalities and space occupying lesions, have been described. We present an unusual case of TTS caused by an accessory Flexor Hallucis Longus (FHL) tendon. Surgical excision led to a complete resolution of symptoms and improved the quality of life of our patient.
authors.affiliation: Department of Trauma and Orthopaedics, Hillingdon Hospital, London, UK. Electronic address: ddl04@ic.ac.uk.
authors.forename: D
authors.initials: D
authors.lastname: Lin
authors.affiliation: Department of Radiology, Hillingdon Hospital, London, UK. Electronic address: Christopher.williams@thh.nhs.uk.
authors.forename: C
authors.initials: C
authors.lastname: Williams
authors.affiliation: Department of Trauma and Orthopaedics, Hillingdon Hospital, London, UK. Electronic address: htwe.zaw@thh.nhs.uk.
authors.forename: H
authors.initials: H
authors.lastname: Zaw
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D018482:Muscle, Skeletal / Q000002:abnormalities*; D013641:Tarsal Tunnel Syndrome / Q000175:diagnosis* / Q000209:etiology* / Q000601:surgery; D013710:Tendons / Q000002:abnormalities*
keywords: Foot; Nerve entrapment; Paresthesias