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Paediatrics
intermediate
X-Type

Legg-Calvé-Perthes Disease

Pediatric Hip

A 6-year-old boy presents with a 3-month history of limp and intermittent groin and thigh pain in his right leg. The pain is worse with activity and improves with rest. He is otherwise healthy with normal growth parameters. Examination reveals limited internal rotation and abduction of the right hip. Radiographs show increased density and flattening of the right femoral head with widening of the medial joint space. The lateral pillar height is 50% of normal. Regarding Legg-Calvé-Perthes disease:

Mark each as TRUE or FALSE

A

Legg-Calvé-Perthes disease is idiopathic avascular necrosis of the proximal femoral epiphysis in chi...

B

The disease progresses through stages: Initial/necrosis (sclerosis, subchondral fracture), Fragmenta...

C

Perthes disease always requires surgical treatment; it occurs most commonly in adolescents; bilatera...

D

Prognosis depends on age at onset (younger is better), lateral pillar classification, femoral head c...

E

Treatment aims to contain the femoral head within the acetabulum to allow spherical remodeling; cont...

Answer the questions to see explanations

Click T (True) or F (False) for each option