– Discussion: – anatomy and ligamentous contraints: – ligaments of the wrist – SL interosseous ligament – SLD is most common and most significant ligament injury of wrist; (carpal instability); – risk factors: ulna minus configuation, slope of radial articular surface, and lunotriquetral coalition; – spectrum of injury: (increasing … Read more
– Discussion: – injury must occur to both interosseous and capsular ligaments for rotational instability of the scaphoid to occur; – dorsal approach to the wrist: – reduce scaphoid into the extended position; – surgeons gloved finger presses the distsal pole of scaphoid into an extended position; – K wire is inserted … Read more
Distal avulsion fractures of the scaphoid. Long-Term Results of Fracture of the Scaphoid. A Follow-up Study of More Than Thirty Years. Percutaneous screw fixation for fractures of the scaphoid Complications of scaphoid silicone arthroplasty. Kinematic considerations of the wrist Prosthetic silicone scaphoid strains: effects of intercarpal fusions. Complications and results of scapho-trapezio-trapezoid arthrodesis. Silicone-rubber implant arthroplasty … Read more
– See: Avascular Necrosis of the Scaphoid – Discussion: – often result from undiagnosed or undertreated non displaced scaphoid fractures, especially when associated w/ carpal instability; – even when found as late as 6 mo after the injury, frx of scaphoid, esp at the waist and distal location, may … Read more
– Discussion: – indicated for patients w/ delayed unions or non unions of scaphoid waist; – cautions: distal-waist fractures may not be amenable to this form of fixation if the screw threads cross the fracture site; – Technique: – see: volar surgical approach: – may result in … Read more
– Work Up for Scaphoid Frx: (w/ discussion) – clinical differential diagnosis: – distal radius frx – transscaphoid perilunate dislocation: – scaphoid impaction syndrome – radiographs and determination of stability (CT … Read more
– Discussion: – scapholunate advanced collapse (SLAC) refers to a specific pattern of osteoarthritis and subluxation which results from untreated chronic scapholunate dissociation or from chronic scaphoid non-union; – degenerative changes occur most often in areas of abnormal loading; – radial-scaphoid joint is involved initially, followed by … Read more
– Clinical Manifestations: – may have fevers, rash, & iritis, which can resemble symptoms of JRA. – pulmonary dz, erythema nodosum, abdominal pain, liver enlargement, and perihilar adenopathy may also be present. – labs: elevated ACE serum level is considered to be the activity marker of the disease – … Read more
– Discussion: – may occur at any age – rare in the hand – type IV frx potentially interfere with normal growth; – frx line crosses physis, separating a portion of metaphysis-physis-epiphysis from the remaining metaphysis-physis-ephiphysis; – if frx is displaced, ORIF is indicated; … Read more
– See: – Bone Bridge – Distal Femoral Physeal Fractures – Epiphyseal Artery – Epiphyseal Plate – Humeral Physeal Injuries – Suprachondylar Fractures of the Humerus – … Read more