– See: – Metacarpal Neck Frx – Metacarpal Shaft Frx – Discussion: – metacarpal neck frx involving little finger; – only collateral ligaments, remain attached to the proximal phalanx, & therefore metacarpal head is freed from any proximal stabilizing influence; – metacarpal head tilts volarly causing joint to lie in hyperextension & collateral ligaments become … Read more
See: – Thompson is especially suitable for the middle third of the radius, however, it is not suitable for distal third radial frxs because the posterolateral application of the plate may interfere w/ outcropping tendons to thumb, disturbing function; – care is taken with this approach to avoid injury to the radial nerve and therefore … Read more
– See: – Arteries of the Upper Limb; – Profunda Brachi; – Anatomy: – brachial artery originates at the lateral border of teres major muscle & courses down anterior humerus posterior to bicipital aponeurosis; – brachial artery has three main braches, of which profunda brachi … Read more
– See: Parsonage-Turner Syndrome: – Discussion: – characterized by acute or subacute onset of severe pain in neck, arm, & hand along w/ varialble muscle weakness & loss in sensation; – pain is usually severe and constant and aggravated by moving the arm; – diff dx: neuropathic disorder – … Read more
– Discussion: – injury may develop over weeks so patient needs to be followed closely; – need to determine if triangular ligament is intact; – see if pt can maintain active PIP Joint extension; – if triangular ligament is intact, then … Read more
– Discussion: – soft tissue procedures will work only passive ROM is re-established; – Staged Method of Treatment: (from Raymond et al 1982) – use a metacarpal block for anesthesia (for intial three stages); – stage I and II: – lazy “S” incision over … Read more
– See: Phalangeal Boutonnere Injuries – Discussion: – most common thumb deformity in RA; – results from arthritic involvement of MP joint and elongation or erosion of the attachement of the EPB tendon to the base of proximal phalanx (leading to flexion deformity); – EPL tendon & adductor expansions … Read more
– See: – Phalangeal Injuries – Rheumatoid Boutonniere – Thumb Boutonniere Injuries – Discussion: – an aquired lesion of the extensor mechanism, in which the PIP joint develops a flexion deformity and the the DIP joint develops an extension deformity; … Read more
– See: – Discussion: – refers to Boutonniere injuries more than 2 months after injury; – is difficult to treat due to shortening of: – central slip & contracture of the lateral bands; – transverse retinacular ligaments; … Read more
– See: – Biopsy – Chemotherapy: – General Features – radiographic features – histologic features – Location of Tumors: … Read more