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Computed tomography of the orbit.

G J Alker, E V Leslie, M Banna

Critical Reviews in Diagnostic Imaging

|January 1, 1981

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Computed tomography (CT scanning) revolutionized orbital radiology, offering a noninvasive method for diagnosing orbital mass lesions and trauma. It has largely replaced older, less effective diagnostic techniques in ophthalmology.

Area of Science:

Radiology
Ophthalmology
Medical Imaging

Background:

Computed tomography (CT scanning) has rapidly transformed diagnostic radiology.
Orbital radiology has significantly benefited from CT's noninvasive imaging capabilities.
Early reports in 1973 highlighted CT's effectiveness in detecting intraorbital mass lesions.

Purpose of the Study:

To review the current practices and clinical applications of CT scanning in orbital imaging.
To illustrate the diagnostic utility of CT in various orbital pathologies through case examples.
To discuss radiation dosimetry considerations in orbital CT examinations.

Main Methods:

Review of radiological literature and clinical case studies.
Discussion of CT scanning techniques for the orbit.

Related Experiment Videos

Analysis of CT's role compared to other imaging modalities.

Main Results:

CT scanning is a highly effective noninvasive method for diagnosing intraorbital mass lesions.
Key indications for orbital CT include suspected masses (e.g., exophthalmos), trauma, congenital anomalies, and extraorbital disease extension.
CT, alongside ultrasonography, has superseded invasive methods like orbital pneumography, venography, and arteriography.

Conclusions:

CT scanning is an indispensable tool in modern orbital diagnosis and management.
The technique offers significant advantages over traditional invasive diagnostic procedures.
Current practices emphasize radiation safety and clinical application for optimal patient outcomes.