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Optic nerve head drusen. High-resolution computed tomographic approach.
Archives of Ophthalmology (Chicago, Ill. : 1960)
|May 1, 1984
Summary
Optic nerve head drusen are rare calcified concretions that can mimic papilledema. High-resolution computed tomographic (CT) scans effectively diagnose these optic disc abnormalities.
Area of Science:
- Ophthalmology
- Radiology
- Medical Imaging
Background:
- Optic nerve head drusen are inherited, calcified deposits.
- They are a common cause of pseudopapilledema, mimicking optic disc swelling.
- Diagnosis can be challenging with ophthalmoscopy alone.
Observation:
- Four cases of optic nerve head drusen were analyzed.
- Two cases were bilateral, and two were unilateral.
- High-resolution computed tomography (CT) was employed for diagnosis.
Findings:
- High-resolution CT successfully identified optic nerve head drusen.
- CT revealed characteristic well-defined, punctate calcifications.
- These calcifications were strictly located within the optic disc.
Implications:
- Computed tomographic (CT) scans are valuable for diagnosing optic nerve head drusen.
- High-resolution CT aids in differentiating drusen from true papilledema.
- This imaging modality is crucial for managing patients with suspected optic disc abnormalities.