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Case of the Week 416



What is the most likely diagnosis?

  • 31 year-old male, 3 days after motorcycle accident



Radiographs of left elbow, 3 days after "additional images"

  1. Neurofibromatosis
  2. Psoriasis
  3. Malignant melanoma
  4. Fracture blisters
  5. Multiple myeloma

Additional Images - Same patient, same elbow-3 days earlier

 

 

Additional Images

 

Same patient, same elbow-3 days earlier


Answer:

.


4. Fracture Blisters

.

.

More (Click Discussion Tab)


Fracture Blisters

General Considerations

  • Fluid or blood-filled subepidermal vesicles which form over a fracture or severe twisting injury
  • Most often in the tibia, ankle and elbow
  • May be single or multiple
  • May attain sizes in excess of 10cm
  • Those at greater risk for formation of the blisters are high impact injuries, those with peripheral vascular disease, diabetes, lymphatic obstruction or a smoking history

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.