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The brain in the 18q-syndrome
H Vogel1, H Urich, D S Horoupian
1Department of Pathology (Division of Neuropathology), Stanford University School of Medicine, CA.
Developmental Medicine and Child Neurology
|August 1, 1990
Summary
This study details the brain abnormalities in a young male with 18q-syndrome, including unusual brain structure and cell misplacement. Further research is needed to confirm if these neuropathological findings are typical for 18q-syndrome.
Area of Science:
- Neuropathology
- Neurodevelopmental Disorders
- Genetics
Background:
- 18q-syndrome is a rare chromosomal disorder associated with intellectual disability and distinctive facial features.
- Understanding the neuropathological underpinnings of 18q-syndrome is crucial for diagnosis and management.
Observation:
- A case study of a 25-year-old male with 18q-syndrome revealed significant cerebral neuropathological findings.
- Gross examination showed abnormal gyral patterns, olfactory and optic nerve atrophy, and small neocerebellar hemispheres with lobular sclerosis.
Findings:
- Microscopic analysis identified pial glioneuronal heterotopias and misplaced neurons in the cortex and white matter.
- Other findings included gliosis of olfactory and optic tracts, Purkinje cell loss, and difficulty identifying Betz cells.
Implications:
- These neuropathological findings may represent characteristic features of 18q-syndrome.
- Further studies on additional cases are necessary to validate these observations and their significance.