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Paediatrics
intermediate
X-Type

Perthes Disease Management

Hip Disorders

A 6-year-old boy presents with 2 months of intermittent right hip pain and a limp. He is otherwise healthy with no history of trauma. On examination, he has limited hip abduction and internal rotation. He walks with an antalgic gait. Radiographs show increased density of the right femoral head with some fragmentation. The lateral pillar appears to maintain greater than 50% of its normal height. Regarding Legg-Calvé-Perthes disease:

Mark each as TRUE or FALSE

A

Perthes disease is idiopathic avascular necrosis of the femoral head in children, typically affectin...

B

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

C

Perthes disease typically affects teenage girls; the lateral pillar classification is assessed durin...

D

Treatment goals include maintaining range of motion, containment of the femoral head within the acet...

E

Prognostic factors indicating poor outcome include age greater than 8 years at onset (most important...

Answer the questions to see explanations

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