– Discussion: – lunate shaped spacer implant made of silicone, vitallium, acrylic, or rolled-tendon is inserted into theresulting space to prevent migration of other carpal bones; – due to the high rate of synovitis, most surgeons are now reluctant to use lunate implants; – Technical Considerations: – dorsal approach is … Read more
– Discussion: – involves central or peripheral depression of frx of lateral plateau w/o associated lateral wedge fracture; – it usually occurs from minimal impact on weak osteoporotic bone; – commonly affects older age groups (55-60 yrs) w/ marked osteoporosis; – stability of joint is rarely affected & excellent … Read more
– See: Retinacular Release for TKR: – Discussion: – see lateral anatomy of the knee and blood supply to the knee; – lateral release detaches patella from lateral soft tissue structures, including lateral retinaculum, fibers from tensa fascia lata muscle, & joint capsule; – a successful release should release the lateral … Read more
– Discussion: Type I Fractures: – this is the wedge fracture of a lateral plateau; – it occurs mostly in young people since the dense cancellous bone of lateral plateau resists depression; – “Minimally Displaced Fractures” (from the Holh Classification) – frx shows depression … Read more
– See: – Discoid Meniscus:: – Types of Meniscal Tears; – Discussion: – in shape medial meniscus resembles a C, whereas lateral meniscus is more sharply curved and resembles an O that is unclosed medially; – lateral meniscus is much more of closed circle in uniform width from anterior to posterior; – it has … Read more
– See: – Rolling and Gliding Mechanism: – Gait: – Discussion: – bones forming joint are femur, tibia, & patella; – two femurs converge toward the knee and each tibia is nearly vertical, femur & tibia meet angle of some 5-12 deg; … Read more
– See: Knee Joint Menu – Discussion: – arthroscopy of the arthritic knee – Arthroscopy following TKR – chondral and osteochondral injuries of the knee – meniscal tears: – prevalence of wrong pre-operative diagnosis or additional pathology: – always consider an alternative diagnosis especially in younger patients (in whom bone tumors should be considered); – ” … Read more
– Discussion: – for diagnosing infectious tenosynovitis; – intense pain accompanies any attempt to extend partly flexed finger; – this is absent in local involvement; – pain will be noted along the course of tendon with extension; … Read more
– Discussion: – one of most common knee injuries in children; – most common in children between ages of 8-14 yrs; – usually result from avulsions of anterior intercondylar eminence from pull of ACL; – fragment of tibial spine may be non displaced, or … Read more
– Synovial F. Exam: – Pauciarticular JRA – Polyarticular JRA – seronegative Arthritides – Osteochondroses (LCP, Osgood-Schlatter dz) – Slipped Capital Femoral Epiphysis – Lyme Disease – Oseoid Osteoma – Foreign body synovitis