What is the most likely diagnosis?
- 39 year-old with recent history of trauma
Axial and sagittal CT scans of abdomen with bone window
- Ossified scar
- Heterotopic ossification
- Retained foreign body
- Skull flap
- 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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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
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