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Paediatrics
intermediate
X-Type

Legg-Calvé-Perthes Disease

Paediatric Hip

A 6-year-old boy presents with a 2-month history of right hip pain and intermittent limp. He is otherwise healthy with no history of trauma. Examination reveals limited hip abduction and internal rotation. Plain radiographs show increased density of the right femoral head with some flattening. Regarding Legg-Calvé-Perthes disease:

Mark each as TRUE or FALSE

A

Legg-Calvé-Perthes disease (LCPD) is idiopathic avascular necrosis of the developing femoral head oc...

B

The Herring lateral pillar classification (assessed during fragmentation) is the most prognostically...

C

Age at onset has no prognostic significance in LCPD; MRI is not useful in early diagnosis; the cresc...

D

Age at onset is a critical prognostic factor: children under 6 years generally have good outcomes du...

E

Treatment ranges from observation with activity modification for young children with minimal involve...

Answer the questions to see explanations

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