Paediatric Hip
A 6-year-old boy presents with a 3-month history of right hip pain and limp. He has no history of trauma. Examination reveals limited hip abduction and internal rotation with a positive Trendelenburg gait. Radiographs show sclerosis and fragmentation of the right femoral head with subchondral fracture (crescent sign). The lateral pillar of the femoral head appears to maintain over 50% of its height compared to the normal side. Regarding Legg-Calve-Perthes disease:
Mark each as TRUE or FALSE
Legg-Calve-Perthes disease is idiopathic avascular necrosis of the femoral head in children; peak ag...
The disease progresses through four stages: initial/necrosis (cessation of blood supply, sclerosis),...
Perthes is most common in females; it peaks at age 12-14 years; bilateral involvement occurs in 50%;...
Herring lateral pillar classification: Group A (no lateral pillar involvement, excellent prognosis),...
Treatment aims to contain the femoral head within the acetabulum during revascularization; nonoperat...
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Click T (True) or F (False) for each option