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[Visual neglect secondary to left frontal haemorrhage]
S Santos1, O Fabre, M Garcés-Redondo
1Servicio de Neurología, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España. ssantos@yahoo.com
Revista De Neurologia
|March 26, 2003
Summary
Visual neglect, a condition of inattention to one visual field, can result from frontal lobe damage, not just parietal lobe injury. This case highlights frontal lobe hemorrhage causing visual neglect and hemiparesis.
Area of Science:
- Neurology
- Neuroscience
- Clinical Medicine
Background:
- Visual neglect is characterized by a lack of attention to stimuli in the contralateral visual hemifield.
- While commonly associated with right inferior parietal lobe lesions, it can also arise from damage to the frontal lobe, basal ganglia, or thalamus.
Observation:
- A 71-year-old female with a history of mitral prosthesis and atrial fibrillation presented with a left frontal parenchymatous hemorrhage.
- Clinical examination revealed right visual hemineglect without ipsilateral homonymous hemianopsia, accompanied by right hemiparesis.
Findings:
- The patient exhibited right visual hemineglect, a condition typically linked to parietal lobe damage.
- Neuroimaging confirmed a left frontal lobe hemorrhage as the cause of the observed symptoms.
Implications:
- This case underscores that frontal lobe lesions, particularly involving white matter tracts, can cause visual neglect.
- Understanding the diverse anatomical substrates of visual neglect is crucial for accurate diagnosis and targeted treatment strategies.