Management of Pediatric Angular Knee Deformities Using Corrective Osteotomy and Casting versus Monolateral Fixator

INTERVENTION: Surgical Correction of Angular Knee Deformity via Osteotomy with Above Knee Casting Surgical Correction of Angular Knee Deformity via Osteotomy with Monolateral External Fixation CONDITION: ; Surgery Surgery PRIMARY OUTCOME: Clinical Union: Time to radiological evidence of bony union (measured in months) Postoperative Pain Score: FLACC pain scale at 1 month postoperatively Precision of Angular Correction: Postoperative diaphysio‐metaphyseal angle, medial proximal tibial angle, tibiofemoral angle, lateral distal femoral angle, and mechanical axis deviation SECONDARY OUTCOME: Adverse Events Knee Range of Motion Overcorrection Rate Radiological Parameters (Alignment) Return to Weight‐Bearing/Activities Surgical Site Infection INCLUSION CRITERIA: Pediatric patients (6‐12 years) Genu valgum with tibiofemoral angle >15°, OR Genu varum with metaphyseal‐diaphyseal angle >16°