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Intraorbital air simulating an intraocular foreign body
A R Bhavsar1, D S Fong, B Kerman
1Jules Stein Eye Institute, UCLA School of Medicine, Los Angeles, CA 90095, USA.
American Journal of Ophthalmology
|June 1, 1997
Summary
Ultrasonography after ruptured globe repair can mimic a foreign body due to intraorbital air. This finding highlights the importance of considering air when interpreting eye ultrasounds for trauma management.
Area of Science:
- Ophthalmology
- Medical Imaging
Background:
- Ruptured globe injuries require prompt diagnosis and management.
- Ocular ultrasonography is crucial for evaluating intraocular structures post-trauma.
Observation:
- A case report details an ultrasonographic finding mimicking an intraocular foreign body.
- The study involved correlating ultrasonography with computed tomography (CT) scans of a post-trauma eye.
Findings:
- B-scan ultrasonography revealed a highly reflective echo source after corneoscleral laceration repair.
- Orbital CT scan identified the source as intraorbital air, not a foreign body.
Implications:
- Orbital air can present as a false positive for foreign bodies on ocular ultrasound.
- Consideration of intraorbital air is vital for accurate preoperative and postoperative interpretation in globe trauma management.