Obese adolescent who presents with atraumatic, afebrile groin pain and a limp with decreased range of motion and imaging showing displacement of the femoral head from the growth plate, most consistent with a slipped capital femoral epiphysis (SCFE) which is treated with pin fixation to avoid avascular necrosis
Key idea: Hip problems (osteoarthritis, avascular necrosis of the femoral head, etc.) often lead to groin symptoms
2 common causes of avascular necrosis in child: (1) Legg-Calve Perthes disease:ย Commonly seen inย males between 5-7 years old, X-ray often NORMAL, Idiopathic (2) SCFE:ย Commonly seen inย obese ~12 year old child, Diagnosed via abnormal x-ray, Caused by epiphysis displacing relative to femoral neck andย needs to be corrected surgically
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