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Orthopaedic Wiki

High Tibial Osteotomy (HTO) — Indications & Techniques

Indications: medial compartment OA with varus deformity in young active patients. Goal: shift weight-bearing axis laterally to unload medial compartment. Techniques: lateral closin...

General | 👁 12 | 2 weeks ago

Osteochondral Autograft Transfer (OATS)

Cartilage repair technique for focal chondral defects

General | 👁 7 | 2 weeks ago

Knee Arthrodesis

Salvage procedure for irretrievable failed TKA, chronic infection, tumor resection. Techniques: intramedullary nailing, external fixation (Ilizarov), compression plating. Indicatio...

General | 👁 5 | 2 weeks ago

Total Hip Arthroplasty (THA) — Indications & Outcomes

Indications: end-stage hip OA, AVN, RA, ankylosing spondylitis, fracture neck femur (elderly). Contraindications: active infection, severe medical comorbidity, poor bone stock with...

Arthroplasty | 👁 8 | 2 weeks ago

Sinding–Larsen–Johansson Disease

Traction apophysitis at inferior pole of patella in adolescents. Similar mechanism to Osgood–Schlatter but at patellar origin of tendon. Clinical: localized pain at inferior patell...

General | 👁 5 | 2 weeks ago

Patellar Dislocation — Acute

Most common acute dislocation of knee; lateral displacement of patella. Mechanism: valgus stress + external rotation with knee flexion. Clinical: sudden giving way, patella displac...

General | 👁 4 | 2 weeks ago

Patellofemoral Pain Syndrome (PFPS)

Common cause of anterior knee pain in young adults, esp. females (‘runner’s knee’). Etiology: maltracking due to Q-angle increase, muscle imbalance, overuse. Clinical: diffuse ante...

General | 👁 4 | 2 weeks ago

Total Knee Arthroplasty (TKA) — Indications & Outcomes

Indications: end-stage OA, RA, post-traumatic arthritis with pain and disability. Contraindications: active infection, severe vascular disease, extensor mechanism dysfunction. Impl...

Arthroplasty | 👁 11 | 2 weeks ago

Unicompartmental Knee Arthroplasty (UKA) — Indications & Outcomes

Indications: isolated unicompartmental OA with intact ligaments and correctable deformity. Contraindications: inflammatory arthritis, fixed deformity, ACL deficiency. Advantages: s...

Arthroplasty | 👁 7 | 2 weeks ago

Patellar Instability — MPFL Reconstruction

Patellar instability often due to MPFL rupture after lateral patellar dislocation. Risk factors: trochlear dysplasia, patella alta, increased TT-TG distance. Clinical: recurrent di...

General | 👁 4 | 2 weeks ago

Patellar Tendinopathy — Jumper’s Knee

Overuse injury of patellar tendon, common in jumping athletes (basketball, volleyball). Pain localized to inferior pole of patella; worse with jumping, squatting, stairs. Histology...

General | 👁 3 | 2 weeks ago

Osgood–Schlatter Disease

Apophysitis of tibial tubercle in adolescents due to repetitive traction from quadriceps. Common in athletic boys (10–15 yrs). Clinical: pain, swelling, prominent tender tibial tub...

General | 👁 3 | 2 weeks ago