8 results found
Article
Guyon's canal syndrome
Guyon's canal syndrome or ulnar nerve syndrome or handlebar palsy results from compression of the ulnar nerve as it passes through Guyon's canal (a tunnel syndrome).
Epidemiology
The epidemiology of Guyon's canal syndrome is not well documented due to a paucity in literature 1.
Some condit...
Article
Guyon's canal
Guyon’s canal (also known as ulnar tunnel or canal) is a fibro-osseous tunnel at the anterior aspect of the wrist. It is superficial and slightly proximal to the flexor retinaculum. It is approximately 4 cm in length, spanning from the proximal aspect of the pisiform to the hook of hamate.
Gros...
Article
MRI of the wrist (an approach)
MRI of the wrist is a fairly frequent examination in musculoskeletal radiology practice and not quite as common in general radiological practice. This approach is an example of how to create a radiological report of an MRI of the wrist with coverage of the most common anatomical sites of possibl...
Article
Hook of hamate fracture
Hook of hamate fractures (also sometimes termed type 1 hamate fractures) are rare. They are a form of hamate fractures and occur from the hamate fracturing after blunt trauma, falls, and in sports players (e.g. golf, baseball, racquet sports) from a direct blow while swinging. Stress fractures h...
Article
Tunnel syndrome
A tunnel syndrome refers to pain, paresthesia and weakness due to neurovascular compression, friction or traction within a confined anatomical passageway. The tunnel may be bordered by bone, muscle or tendoligamentous structures or a combination of these.
Various specific syndromes exist and ar...
Article
Wrist protocol (MRI)
The MRI wrist protocol encompasses a set of MRI sequences for the routine assessment of the wrist joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the wrist. Protocol specifics will vary depending on MRI scanner type, specific hardware and softw...
Article
Nerve compression syndrome
Nerve compression syndromes or nerve entrapment neuropathies are a group of several nerve disorders associated with sensory and/or motor loss resulting from nerve compression.
Epidemiology
Nerve compression syndromes are common 1-5 and can account for 10-20% of cases in specialist clinics of n...
Article
Ulnar nerve
The ulnar nerve is one of the terminal branches of the brachial plexus and has a motor and sensory supply to the forearm and hand.
Summary
origin: medial cord from roots C8-T1
course: medial to the axillary artery to descend downwards and pass posterior to the medial epicondyle of the humerus...
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