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Case of the Week 428



What is the most likely diagnosis?

  • 9 year-old male with pain in the hip and a limp



Frontal view of the pelvis and both hips

  1. Septic arthritis
  2. Spondylo-epiphyseal dysplasia
  3. Legg-Calve-Perthes Disease
  4. Sprung pelvis
  5. Slipped capital femoral epiphysis

Additional Images - Frog-leg lateral of both hips

 

 

Additional Images

 

Frog-leg lateral of both hips


Answer:

.


3. Legg-Calve-Perthes Disease

.

.

More (Click Discussion Tab)


Legg-Calve-Perthes Disease

General Considerations

  • Idiopathic avascular necrosis of the femoral head
  • Peak incidence is five years with a range of 2-14 years
  • Occurs in males greater than females, more often in Caucasians
  • Bilateral 10-20% of time. Most often one after the other rather than simultaneously
    • Bilateral involvement in females is very rare

MORE...


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LearningRadiology.com
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing  lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology.