2024年3月26日 · In imaging median nerve syndromes, ultrasound is useful in examining carpal tunnel syndrome, potentially revealing, in fully developed cases, a triad of: palmar bowing of the flexor retinaculum (>2 mm beyond a line connecting the pisiform and the scaphoid )

2024年3月28日 · The carpal tunnel is a fibro-osseous canal in the anterior (volar) wrist that acts as a passageway for structures between the anterior forearm and the hand.

2024年6月18日 · Recurrent carpal tunnel syndrome is the persistence or re-occurrence of carpal tunnel syndrome (CTS) symptoms after carpal tunnel release surgery.

Surgery for right carpal tunnel syndrome about 2 months before the presentation. Post surgery symptoms reduced but not completely resolved. Referred for ultrasound evaluation of the carpal tunnel.

2023年4月21日 · The median nerve flattening ratio is a parameter used for the diagnosis of carpal tunnel syndrome (usually by ultrasound). It is calculated by dividing the span of the long axis by that of the short axis of the median nerve at around the pisiform level.

2024年3月28日 · Hacking C Normal carpal tunnel US. Case study, Radiopaedia.org (Accessed on 07 Jan 2025) https://doi.org/10.53347/rID-186860

2024年12月28日 · evaluate the proximal carpal tunnel and distal carpal tunnel in short axis, with particular attention to the shape and echogenicity of the median nerve. The two bony structures outlining the sides of the carpal tunnel are the trapezium tubercle (radial) and hook of …

2024年12月28日 · Ultrasound. On ultrasound ganglion cysts are typically hypoechoic to anechoic and show well-defined, smooth-walled margins 5. They might show internal septations and display an acoustic enhancement. MRI. MRI is an accurate modality for the visualization and evaluation of ganglion cysts with a reported sensitivity and specificity of 94.7% and 94 ...

2023年8月10日 · The flexor retinaculum encloses and forms the roof of the carpal tunnel. The ulna aspect of the flexor retinaculum forms the floor of Guyon's canal . It has superficial and deep layers, which are separate on the radial aspect, containing the tendon of flexor carpi radialis .

Carpal tunnel syndrome is a collection of signs and symptoms that is related to the compression of the median nerve within the carpal tunnel. The most common presenting symptoms are numbness, paresthesia and pain in the median nerve distribution.