– See: TKR following HTO: – Discussion: – indications for HTO: – associated conditions: – posterolateral corner deficiency – osteoarthritis of the knee: – motivation for procedure: – narrowed medial cartilaginous space may regenerate (and associated degenerative features may reverse) if weight bearing stresses are partially shifted from the medial to the lateral side of the … Read more
– Discussion: – general features: – pediatric bone circulation – age of patient: – osteomyelitis in the newborn – in infants below the ages of 1 year, some metaphyseal vessels may transverse … Read more
– Discussion: – displaced frx of talar neck (no matter how slight) w/ subluxation or dislocation of posterior facet of sub-talar joint; – subtalar joint subluxation is usually dorsal; – ankle remains aligned; – persistent slight displacement will result in malunion (usually in varus) which will produce … Read more
– See: Avascular Necrosis and Salvage of Talus Fractures – Discussion: – displaced frx of talar neck with dislocation of body of talus from both subtalar joint and ankle joint; – when body dislocates, it is usually found on posterior medial aspect adjacent to the Achilles tendon; – body … Read more
– Discussion: – sign provides evidence of revascularization of talar body; – indicated by patchy subchondral osteoporosis at approx 6-8 weeks; – appearance of decreased subchondral bone density (subchondral resporption) in the dome of talus 6 to 8 wks following injury indicates that there is sufficient vascular supply to bone to … Read more
– Technique: – place the leg in a figure of 4 position; – make a small longitudinal incision opposite the tibial tuberlce, midway between the tubercle and the the posterior edge of the tibia; – palpate the pes anserinus; – generally only the gracilis … Read more
– See: – adolescent bunion – bunionette – Discussion: – pathophysiology – blood supply of MCP joint – windlass mechanism – diff dx: – gout – hallux rigidus (cheilectomy); – references: – Anatomic variations in the first ray: Part I. Anatomic aspects related to bunion surgery. – Muscle in hallux valgus. – Kinematics of the … Read more
– Discussion: – bullets in soft tissue are rapidily encapsulated by fibrous tissue and are therefore essentially eliminated from circulating body fluids; – where as serum is a poor solvent and bullets that are in joints are more threatening because of their contact with synovial fluid combined with joint motion, will … Read more
– See: Open Fractures of the Tibia: – Discussion: – Gustillo classification describes soft tissue injury, but does not necessarily describe fracture comminution; – Grade I: – wound less than 1 cm w/ minimal soft tissue injury; – wound bed is clean … Read more