Explore high-yield orthopaedic topics with structured summaries, linked cases, and integrated learning pathways.
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Comprehensive guide to orthopaedic screws covering screw anatomy and geometry, cortical and cancellous screws, lag screws and the lag technique, locking screws, cannulated screws, headless compression screws, malleolar and positional screws...
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Used for segmental bone loss after tumor resection or non-oncologic massive defects (failed revision arthroplasty, periprosthetic fractures). Common sites: distal femur r...
Indicated for skeletally immature patients undergoing limb-salvage near a growth plate (e.g., distal femur/proximal tibia). Designs: minimally invasive magnetically drive...
Indications: rheumatoid arthritis, post-traumatic arthritis, complex distal humerus fractures in elderly, tumor resection. Implant types: linked (semi-constrained), unlin...
Wrist arthrodesis: gold standard for pain relief in advanced wrist arthritis; provides stability but sacrifices motion. Wrist arthroplasty: motion-preserving alternative...
Bone-conserving alternative to THA; resurfaces femoral head with metal cap. Indicated in young, active patients with OA, good bone stock, large femoral head size. Advanta...
Biologic response to wear particles (polyethylene > metal/cement) drives periprosthetic osteolysis via macrophage cytokine cascade. Risk factors: conventional PE, thin li...
Classification guides treatment by considering fracture location, implant stability, and bone stock. THA femur: **Vancouver** (A: trochanteric; B1: around stem-stable; B2...
Oncologic principles: accurate diagnosis, staging (MRI, PET/CT), biopsy planning, and **wide margins**. Indications: resectable tumors with adequate soft-tissue coverage...
Most common malignant tumor of bone overall. Primary sources: breast, prostate, lung, kidney, thyroid. Lesions: breast (mixed), prostate (blastic), lung/kidney/thyroid (l...
PCL resists posterior tibial translation. Mechanism: dashboard injury, fall on flexed knee with foot plantarflexed. Clinical: posterior sag sign, posterior drawer test, q...
Meniscus vital for load transmission, shock absorption, joint stability. Repair preferred when possible (red-red, red-white tears, vertical longitudinal). Meniscectomy in...
Rotator cuff provides dynamic stability and elevation of shoulder. Tears: acute traumatic vs degenerative. Indications for repair: symptomatic full-thickness tear, acute...
