– See: vascular malformations of the upper extremity – Discussion: – first described by Maurice Raynaud in 1862; – involves vasoconstriction of the cutaneous arteriovenous shunts, digital arteries, and precapillary arterioles; – pallor of the digits with or w/o cyanosis on exposure to cold; – Raynaud’s disease … Read more
– Findings: – Carpal height & Carpal height ratio – Distal Radius Fracture – Radial Length & Width – Scapholunate Dislocation – Scaphoid Fracture – Types of Radiographs: – Arthrography of the Wrist – AP View – Carpal Tunnel View – Clenched Fist … Read more
– Roberts View: – true AP view described by Roberts: – take AP view of thumb w/ forearm in maximal pronation & dorsum of thumb resting on the x-ray cassette; – True Lateral of CMC: – obtained w/ forearm flat on table, hand pronated approx 20 deg w/thumb flat … Read more
– See: – scaphoid fracture: – non diagnositic x-ray – bone scan for scaphoid frx: – CT scan evaluation – radiology of hand & … Read more
– Discussion: – coalition bewteen talus & calcaneus may be difficult to detect on xray – cartilaginous coalition between the talus and calcaneus in the area of the middle facet may also be detected by an irregularity of the joint surfaces of the talus and calcaneus; – anterior facet is … Read more
– See: – Radiology of the Wrist – Distal Radius Fx – Discussion: – radiographic measurements: – articular step off: most important determinant of outcome; – radial shortening second most determinant … Read more
– See: – Posterior Interosseous Nerve Syndrome : – Radial Nerve Palsy Associated w/ Humeral Shaft Frx: – Radial Nerve Block – Tendon Transfers for Radial Nerve Palsy: – Anatomy: – three posterior divsions of brachial plexus form posterior cord: (C5 , C6 , C7, C8, T1) – radial nerve (C5, C6, C7 , C8 … Read more
– See: Radial Nerve: – Discussion: – superficial or sensory branch passes downward emerging dorsally from beneath Brachioradialis tendon about 5 cm proximal to radial styloid; they lies just deep to the superficial veins; – just proximal to the wrist, several branches fan out to provides sensory … Read more
– Indications: – indications for radial shortening must be strict; – no significant collapse or fragmentation of lunate is present; – there should be some distal radioulnar discrepancy; – Technique: – use radiovolar approach; – six-hole compression plate is measured; – 2 screws … Read more
– Discussion: – may occur from frx (Galeazzi fracture or Colles frx), from radial head frx (as a part of an Essex Lopresti injury) or as an islated injury; – injury to the TFCC is a necessary part of this injury; – dorsal subluxation: … Read more