Three cases in which congenital carpal fusion was associated with formation deficiencies of the hand are presented. In two patients with a lunate-triquetral and a capitate-hamate-trapezoid coalition, respectively, an ulnar deficient hand was also diagnosed. A subdivision of the first type of ulnar club hand deformities is proposed. Other skeletal anomalies included duplication of a phalanx and ...

The wrist is a region that is very vulnerable to injuries of the extremities. Among these injuries, fractures of the pyramidal bone (or triquetrum) in association with dislocation of the hamate and carpal instability are uncommon. They are generally correlated with high-energy trauma and may be associated with neurovascular deficits, muscle-tendon disorders, skin lesions or injuries to other ca...

conclusions the most relevant finding was that hook pinning in pauwels type iii fracture may result in delayed :union: or non:union: due to significantly increased stress of a traction force at the fracture site that works to displace the fracture. however, in a pauwels type i fracture, increased compression stress contributes to stabilize it. surgeons are recommended not to treat pauwels type ...

BACKGROUND Clavicular hook plates are effective fixation devices for distal clavicle fractures and severe acromioclavicular joint dislocations. However, increasing number of studies has revealed that subacromial portion of the hook may induce acromial bony erosion, shoulder impingement, or even rotator cuff damage. By sonographic evaluation, we thus intended to determine whether the presence of...

BACKGROUND Standard plate fixation can be used to treat intraarticular olecranon fractures with satisfactory functional recovery, but its use is accompanied by implant related complications. This retrospective study reports on the functional outcome of intraarticular olecranon fractures treated with a central tension plate with sharp hook. METHODS A retrospective review of any patient with an...

Congenital coalition of pisiform and hamate is rare and had been considered asymptomatic in the first reports. The authors report a case of bilateral pisiform-hamate coalition in a young patient, causing symptoms of median nerve compression in the carpal tunnel and attritional changes on digital flexor tendons. This type of coalition had not previously been related to such symptoms. Additionall...

For an accurate definition of the anatomic limits of the carpal tunnel, 26 cadaver upper extremities were studied by gross (10), histologic (3), and radiographic (13) methods. The mean proximal limit of the central portion of the flexor retinaculum was 11 mm distal to the capitate-lunate joint, and the mean distal limit of the distal portion was 10 mm distal to the carpometacarpal joint of the ...