title: Ulnar nerve entrapment in Guyon's canal due to recurrent carpal tunnel syndrome: case report.
abstract: Guyon's canal syndrome is a compression neuropathy of the ulnar nerve entrapment at the wrist. Compression of the ulnar nerve at the wrist by a ganglion, lipomas, diseases of the ulnar artery, fractures of the hamate and trauma are common etiologcal factors. Unlike Guyon's canal syndrome, carpal tunnel syndrome (CTS) is the most common nerve entrapment of the upper extremity. Although, open (OCTR) or endoscopic carpal tunnel release (ECTR) is highly effective in relieving pain, failure with carpal tunnel release is seldom seen. In this paper, we presented a patient with ulnar nerve entrapment associated with recurrent CTS and discussed the possible pathomechanism with a review of current literature.
authors.affiliation: Baskent University, Faculty of Medicine, Department of Neurosurgery, Ankara, Turkey. ozgurhozdemir@yahoo.com
authors.forename: Ozgur
authors.initials: O
authors.lastname: Ozdemir
authors.forename: Tarkan
authors.initials: T
authors.lastname: Calisaneller
authors.forename: Salih
authors.initials: S
authors.lastname: Gulsen
authors.forename: Hakan
authors.initials: H
authors.lastname: Caner
mesh_terms: D002349:Carpal Tunnel Syndrome / Q000150:complications* / Q000601:surgery; D019299:Decompression, Surgical; D004724:Endoscopy; D005260:Female; D018737:Hand Strength / Q000502:physiology; D006801:Humans; D008475:Median Nerve / Q000473:pathology; D008875:Middle Aged; D012008:Recurrence; D016896:Treatment Outcome; D014459:Ulnar Nerve / Q000473:pathology; D017769:Ulnar Nerve Compression Syndromes / Q000209:etiology* / Q000601:surgery; D014953:Wrist / Q000473:pathology