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[Cortical atrophy and higher cortical dysfunction in systemic lupus erythematosus]
E Maeshima1, S Maeshima, Y Yamada
1Third Department of Internal Medicine, Wakayama Medical College.
Ryumachi. [Rheumatism]
|February 1, 1994
Summary
Systemic lupus erythematosus (SLE) patients show significant cortical atrophy, particularly in the frontal lobe. This brain atrophy correlates with cognitive deficits in memory and language, indicating a link between structural brain changes and neurological dysfunction in SLE.
Area of Science:
- Neuroimaging
- Neurology
- Rheumatology
Context:
- Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect multiple organs, including the brain.
- Neuropsychological dysfunction is a known complication of SLE, but its relationship with brain structural changes requires further elucidation.
Purpose:
- To investigate the relationship between cortical atrophy and higher cortical dysfunction in patients with SLE.
- To identify specific patterns of brain atrophy and their correlation with cognitive deficits in SLE.
Summary:
- This study examined 27 female SLE patients and 27 healthy controls using brain CT scans and neuropsychological tests.
- SLE patients exhibited significantly higher cortical atrophy, indicated by increased Huckman number and Evans' ratio.
- Cortical atrophy, specifically in the frontal lobe, was associated with impaired digit span and word fluency, suggesting frontal lobe dysfunction.
Impact:
- Findings highlight frontal lobe atrophy as a characteristic brain change in SLE.
- Establishes a correlation between structural brain abnormalities and cognitive impairments in SLE patients.
- Provides insights into the neurological underpinnings of cognitive dysfunction in SLE, aiding in diagnosis and management.