v4.1 Fusion X
Idiopathic avascular necrosis of femoral head in children 4–10 yrs. More common in boys; often unilateral. Clinical: limp, hip/knee pain, limited abdu...
SLAP = Superior Labrum Anterior to Posterior tear involving biceps anchor. Mechanism: overhead throwing, fall on outstretched hand. Types I–IV (Snyder...
AVN = ischemic necrosis of femoral head → collapse and arthritis. Risk factors: steroids, alcohol, trauma, sickle cell, Gaucher’s, idiopathic. Ficat s...
Indications: medial compartment OA with varus deformity in young active patients. Goal: shift weight-bearing axis laterally to unload medial compartme...
Cartilage repair technique for focal chondral defects
Salvage procedure for irretrievable failed TKA, chronic infection, tumor resection. Techniques: intramedullary nailing, external fixation (Ilizarov),...
Traction apophysitis at inferior pole of patella in adolescents. Similar mechanism to Osgood–Schlatter but at patellar origin of tendon. Clinical: loc...
Most common acute dislocation of knee; lateral displacement of patella. Mechanism: valgus stress + external rotation with knee flexion. Clinical: sudd...
Common cause of anterior knee pain in young adults, esp. females (‘runner’s knee’). Etiology: maltracking due to Q-angle increase, muscle imbalance, o...
Patellar instability often due to MPFL rupture after lateral patellar dislocation. Risk factors: trochlear dysplasia, patella alta, increased TT-TG di...