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Case of the Week 407



What is the most likely diagnosis?

  • 39 year-old with recent history of trauma



Axial and sagittal CT scans of abdomen with bone window

  1. Ossified scar
  2. Heterotopic ossification
  3. Retained foreign body
  4. Skull flap
  5. Peritoneal drainage catheter

Additional Image - Axial CT scan of another body part

 

 

Additional Images

 

Axial CT scan of skull shown with bone window


Answer:

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4. Skull flap in abdominal wall

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More (Click Discussion Tab)


Skull Flap in Abdominal Wall

General Considerations

  • On occasion, a portion of the skull may be emergently removed to relieve increased intracranial pressure (decompressive craniectomy)
  • Mostly performed for acute subdural hemorrhage
  • The remaining dura mater may be sewn together and the patient may wear a protective helmet

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.