– Discussion: – the foot is the initial manifestation of RA in 15% of patients; – initially, RA involves the forefoot, then the midtarsal joints, and finally the hindfoot; – forefoot is involved twice as often as the hindfoot; – although forefoot & hindfoot disease can coexist, commonly pt’s have one or the other; – … Read more
– See: – Rheumatoid Hand – MP Ulnar Drift – Deformites of MP Joints; – approximately 40% of pts w/ RA will have intrinsic contracture; – in some cases the intrinsic contracture will result from MP joint dislocation, and in other cases, the intrinsic contracture will … Read more
– See: – Rheumatoid Boutonniere – RA – Swan Neck Deformity – Arthrodesis: of PIP – expect improved key pinch strength w/ fusion of PIP joint of index finger; – arthroplasty of PIP joint of index is least successful … Read more
– See: – Boutonniere Injuries – Menu – Thumb Boutonniere Deformity – Discussion: – rheumatoid boutonniere deformity begins w/ PIP synovitis & elongation capsule; – inflammation leads to lengthening of central extensor slip and triangular ligament (becoming dysfunctional) and volar displacement of the lateral bands … Read more
– See: Soft Tissue Menu – Discussion: – describes sarcomas of smooth muscle (leiomyosarcoma) & sarcomas of skeletal muscle (rhabdomyosarcoma); – rhabdomyosarcomas make up 2/3 of pediatric soft-tissue sarcomas; – rhabdomyosarcoma has two forms: – embryonal rhabdomyosarcoma: – … Read more
– See: – FDP rupture – FPL rupture – Teno-synovectomy – Discussion: – when flexor tendon ruptures occur, there are two usual causes: – attrition or direct invasion by tenosynovitis; – these occur in carpal canal due to invasion or attrition; – scaphoid bone … Read more
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– Discussion: – for cemented femoral revisions to be successful it is imperative to debride and remove the medullary soft tissue membrane and neocortex in the medullary canal, and to also use modern cementing techniques – consider addition of antibiotics to cement to prevent infection; – revision femoral stem … Read more
– See: – Removal of Cemented Femoral Stems: – Removal of Press Fit Stems: – Discussion: – stem considerations: – calcar replacment: bone loss at the lower limit of the lesser trochanter may requires a 30-mm calcar replacement; – length: stems that are longer than 175 mm long … Read more