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[Maxillofacial injury and x-ray computed tomography]
1Service de Radiologie, CHU Charles Nicolle, Rouen.
Annales De Radiologie
|January 1, 1991
Summary
Computed tomography (CT) is crucial for assessing facial trauma. Early CT scans detect brain injuries, while later, detailed scans evaluate facial bones for surgical planning.
Area of Science:
- Radiology
- Trauma Surgery
- Neurosurgery
Background:
- Facial injuries frequently result from cranio-encephalic trauma.
- Computed tomography (CT) is the primary imaging modality for these injuries.
Purpose of the Study:
- To evaluate the utility of CT in managing cranio-encephalic trauma with facial injuries.
- To assess the role of early versus delayed CT in determining prognosis and surgical planning.
Main Methods:
- Initial emergency CT scans focus on identifying critical brain damage.
- Subsequent CT examinations, typically performed 6 days post-trauma, utilize thin slices (coronal and axial) for detailed maxillofacial evaluation.
- Specific attention is given to the orbital apex and temporomandibular joint.
Main Results:
- Emergency CT effectively identifies brain injuries impacting vital prognosis.
- Simultaneous CT assessment of the orbital apex and temporomandibular joint provides crucial functional prognosis information.
- Detailed thin-slice CT scans enable definitive bony structure assessment for surgical planning.
Conclusions:
- Early CT is vital for immediate life-threatening brain injury assessment.
- Delayed, detailed CT scans are essential for comprehensive maxillofacial evaluation and optimal preoperative planning.
- A two-stage CT approach balances emergency needs with detailed surgical assessment.