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Thin section computed tomography in the evaluation of naso-ethmoidal trauma
B D Daly1, J L Russell, M J Davidson
1Department of Radiology, General Infirmary, Leeds.
Clinical Radiology
|April 1, 1990
Summary
Computed tomography (CT) effectively identifies naso-ethmoidal complex fractures, revealing orbital wall displacements and associated injuries. CT aids pre-operative evaluation, especially with soft tissue swelling complicating physical exams.
Area of Science:
- Radiology
- Ophthalmology
- Trauma Surgery
Background:
- Naso-ethmoidal complex fractures are complex injuries.
- Accurate pre-operative assessment is crucial for optimal outcomes.
Purpose of the Study:
- To evaluate the utility of computed tomography (CT) in assessing naso-ethmoidal complex fractures.
- To correlate CT findings with clinical presentation and surgical outcomes.
Main Methods:
- Retrospective review of 17 patients with naso-ethmoidal fractures.
- Analysis of CT scans, plain film radiographs, and clinical data.
- Correlation of imaging findings with diplopia and entrapment.
Main Results:
- CT identified medial wall 'blow-in' fractures with orbital displacement in 35% of patients.
- Medial rectus entrapment occurred in 11% due to medial 'blow-out' fractures.
- Associated facial and intracranial injuries were common (70%).
- CT provided valuable information, particularly with soft tissue swelling.
Conclusions:
- CT is a valuable tool for evaluating naso-ethmoidal trauma.
- It accurately depicts fracture patterns, orbital involvement, and associated injuries.
- CT enhances pre-operative planning for these complex fractures.