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Brain Structural Changes in Schizophrenia Patients Compared to the Control: An MRI-based Cavalieri's Method
Zahra Heidari1,2, Hamidreza Mahmoudzadeh-Sagheb1,2, Mansour Shakiba3
1Infectious Diseases and Tropical Medicine Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
Basic and Clinical Neuroscience
|December 11, 2023
Summary
Schizophrenia patients show reduced gray matter and hippocampus volume, with enlarged lateral ventricles compared to controls. Brain MRI stereology aids in understanding these structural changes and their clinical impact.
Area of Science:
- Neuroscience
- Radiology
- Psychiatry
Background:
- Schizophrenia is a severe brain disorder linked to volumetric changes in specific brain regions.
- Magnetic resonance imaging (MRI) is crucial for quantifying these structural alterations.
Purpose of the Study:
- To quantitatively analyze and compare brain volumes in schizophrenia patients versus healthy controls using MRI.
- To investigate the relationship between volumetric changes and disease characteristics.
Main Methods:
- A case-control study involving 20 schizophrenia patients and 20 healthy controls.
- Utilized MRI scans and Cavalieri's point counting method for quantitative volumetric analysis.
- Employed Mann-Whitney U test for statistical analysis of data.
Main Results:
- Schizophrenia patients exhibited significantly lower gray matter, hippocampus, and gray/white matter volumes (P<0.05).
- Lateral ventricles were significantly larger in schizophrenia patients (36.60±4.32 mm³ vs. 30.10±7.98 mm³).
- No significant differences were found in total brain volume, cerebral hemispheres, white matter, brain stem, cerebellum, or corpus callosum volumes.
Conclusions:
- Brain MRI-based stereology can elucidate structural changes in schizophrenia.
- Volumetric alterations in specific brain areas may correlate with cognitive deficits and symptom severity.
- Further research is needed to understand the pathophysiological implications of these structural changes.
