Abnormal ulnar nerve anatomy in the distal forearm pre-disposes to post-traumatic ulnar neuritis at the wrist. 2005

C J Yeo, and C P Little, and S C Deshmukh
Hand Surgery Department, Royal Orthopaedic Hospital, Birmingham, B31 2AP, UK.

Anatomical variations of the ulnar nerve have been described at the level of the elbow and in Guyon's canal, while the path in the forearm has always been assumed to be constant. We present a case of compressive ulnar neuropathy at the wrist pre-disposed by a presumed congenital variation of the path of the ulnar nerve at the level of the wrist which improved following surgical release of the constriction caused as a result of it.

UI MeSH Term Description Entries
D008297 Male Males
D011885 Radius Fractures Fractures of the RADIUS. Galeazzi Fracture,Galeazzi Fracture Dislocation,Radial Fractures,Dislocation, Galeazzi Fracture,Fracture Dislocation, Galeazzi,Fracture, Galeazzi,Fracture, Radial,Fracture, Radius,Radial Fracture,Radius Fracture
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D014459 Ulnar Nerve A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm. Nerve, Ulnar,Nerves, Ulnar,Ulnar Nerves
D014953 Wrist The region of the upper limb between the metacarpus and the FOREARM. Wrists
D020424 Ulnar Neuropathies Disease involving the ULNAR NERVE from its origin in the BRACHIAL PLEXUS to its termination in the hand. Clinical manifestations may include PARESIS or PARALYSIS of wrist flexion, finger flexion, thumb adduction, finger abduction, and finger adduction. Sensation over the medial palm, fifth finger, and ulnar aspect of the ring finger may also be impaired. Common sites of injury include the AXILLA, cubital tunnel at the ELBOW, and Guyon's canal at the wrist. (From Joynt, Clinical Neurology, 1995, Ch51 pp43-5) Ulnar Nerve Diseases,Ulnar Nerve Palsy,Ulnar Neuritis,Nerve Disease, Ulnar,Nerve Diseases, Ulnar,Nerve Palsies, Ulnar,Nerve Palsy, Ulnar,Neuritides, Ulnar,Neuritis, Ulnar,Neuropathies, Ulnar,Neuropathy, Ulnar,Palsies, Ulnar Nerve,Palsy, Ulnar Nerve,Ulnar Nerve Disease,Ulnar Nerve Palsies,Ulnar Neuritides,Ulnar Neuropathy

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