Orthonotes
by the.bonestories
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Indicated for skeletally immature patients undergoing limb-salvage near a growth plate (e.g., distal femur/proximal tibia). Designs: minimally invasive magnetically driven expander...
Tumor | 👁 7 | 2 weeks agoIndications: rheumatoid arthritis, post-traumatic arthritis, complex distal humerus fractures in elderly, tumor resection. Implant types: linked (semi-constrained), unlinked (requi...
Arthroplasty | 👁 8 | 2 weeks agoWrist arthrodesis: gold standard for pain relief in advanced wrist arthritis; provides stability but sacrifices motion. Wrist arthroplasty: motion-preserving alternative for low-de...
Arthroplasty | 👁 5 | 2 weeks agoBone-conserving alternative to THA; resurfaces femoral head with metal cap. Indicated in young, active patients with OA, good bone stock, large femoral head size. Advantages: bone...
Arthroplasty | 👁 3 | 2 weeks agoBiologic response to wear particles (polyethylene > metal/cement) drives periprosthetic osteolysis via macrophage cytokine cascade. Risk factors: conventional PE, thin liners, mala...
Arthroplasty | 👁 4 | 2 weeks agoClassification guides treatment by considering fracture location, implant stability, and bone stock. THA femur: **Vancouver** (A: trochanteric; B1: around stem-stable; B2: around s...
Arthroplasty | 👁 6 | 2 weeks agoOncologic principles: accurate diagnosis, staging (MRI, PET/CT), biopsy planning, and **wide margins**. Indications: resectable tumors with adequate soft-tissue coverage and neurov...
Tumor | 👁 6 | 2 weeks agoMost common malignant tumor of bone overall. Primary sources: breast, prostate, lung, kidney, thyroid. Lesions: breast (mixed), prostate (blastic), lung/kidney/thyroid (lytic). Sit...
Tumor | 👁 4 | 2 weeks agoPCL resists posterior tibial translation. Mechanism: dashboard injury, fall on flexed knee with foot plantarflexed. Clinical: posterior sag sign, posterior drawer test, quadriceps...
Sports | 👁 3 | 2 weeks agoMeniscus vital for load transmission, shock absorption, joint stability. Repair preferred when possible (red-red, red-white tears, vertical longitudinal). Meniscectomy indicated fo...
Sports | 👁 4 | 2 weeks agoRotator cuff provides dynamic stability and elevation of shoulder. Tears: acute traumatic vs degenerative. Indications for repair: symptomatic full-thickness tear, acute traumatic...
Sports | 👁 4 | 2 weeks agoSecond most common primary malignant bone tumor in adults. Occurs age 40–70 yrs; M > F. Common sites: pelvis, femur, shoulder girdle, ribs. Variants: conventional, clear cell, mese...
Tumor | 👁 6 | 2 weeks ago