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Case of the Week 506



What is the most likely diagnosis?

  • 38 year-old female with foot pain and swelling



Frontal and Oblique View of Left Foot

  1. Stress Fractures
  2. Osteomyelitis
  3. Rheumatoid Arthritis
  4. Multiple Myeloma
  5. Complex Regional Pain Syndrome

Additional Image-Lateral Radiograph of Same Foot

 

Additional Images

 

Lateral Radiograph of Same Foot


Answer:

 

5. Complex Regional Pain Syndrome

 

More (Click Discussion Tab)

 

 

Complex Regional Pain Syndrome

General Considerations

  • Has also been called Reflex Sympathetic Dystrophy and Sudeck’s Atrophy
  • Complex Regional Pain Syndrome (CRPS) overwhelmingly affects white females
  • Cause is unknown but may involve an immune mediated mechanism
  • Most cases occur secondary to fractures, sprains, and minor soft tissue injury
  • Other causes include
    • Head injury
    • Stroke
    • Myocardial infarction
    • Cast/splint immobilization


MORE . . .

 


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38 year-old female with foot pain and swelling
 
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LearningRadiology
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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.