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A long-term cortical blindness after head trauma.

T Ichikawa, J Koizumi, K Sakuma

The Japanese Journal of Psychiatry and Neurology

|March 1, 1987

Summary

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A head trauma caused long-term cortical blindness due to cerebral vascular occlusion. Magnetic resonance imaging (MRI) confirmed lesions in the visual cortex (Brodmann areas 17, 18, 19) and optic radiations.

Area of Science:

Neuroscience
Ophthalmology
Radiology

Background:

Traumatic brain injury can lead to complex neurological deficits.
Cortical blindness, while rare, is a significant visual impairment resulting from brain damage.

Observation:

A case study details a patient experiencing persistent cortical blindness following a head trauma.
Cerebral vascular occlusion secondary to the trauma is identified as the likely cause.

Findings:

Computerized tomography (CT) and magnetic resonance imaging (MRI) revealed lesions in bilateral Brodmann areas 17, 18, 19, and optic radiations.
MRI provided significant detail in localizing lesions within the bilateral primary visual cortex (Brodmann area 17).

Implications:

Related Experiment Videos

This case highlights the potential for vascular complications after head trauma leading to prolonged visual dysfunction.
Detailed neuroimaging, particularly MRI, is crucial for understanding the anatomical basis of post-traumatic visual deficits.
Understanding lesion localization aids in predicting visual recovery and managing patients with traumatic brain injury.