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[Bilateral occipital infarction with central homonymous hemianopia]
1Department of Ophthalmology, Nihon University, School of Medicine.
Rinsho Shinkeigaku = Clinical Neurology
|September 1, 1991
Summary
A rare case of bilateral occipital infarction causing central homonymous hemianopia in a 45-year-old man is presented. This finding, detected via CT and MRI, highlights the diagnostic significance of specific visual field defects.
Area of Science:
- Neurology
- Ophthalmology
- Radiology
Background:
- Bilateral occipital infarction is a rare neurological event.
- Central homonymous hemianopia presents as a specific type of visual field loss.
- Accurate diagnosis relies on correlating clinical presentation with advanced imaging.
Observation:
- A 45-year-old male presented with bilateral visual loss and central scotomas.
- Initial suspicion of optic neuritis was revised based on Goldmann perimetry findings.
- Perimetry revealed congruous, irregular central scotomas with a vertical step in both eyes.
Findings:
- Computed tomography (CT) and magnetic resonance imaging (MRI) confirmed infarction in the bilateral occipital lobes.
- The patient was diagnosed with bilateral central homonymous hemianopia.
- This case represents a rare instance of bilateral occipital lobe lesions causing this specific visual deficit.
Implications:
- Bilateral central scotomas with a vertical step are indicative of bilateral occipital lobe lesions.
- This case underscores the importance of advanced neuroimaging in diagnosing rare visual disturbances.
- The findings contribute to the understanding of occipital lobe infarction and its visual consequences.