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Tay Sachs disease: an autopsy case report.
Meenal Vitthal Jadhav1, Meenal P Landge, Satyakam K Sawaimoon
1Department of Pathology, B. I. Medical College, Pune. drvhjadhav@hotmail.com
Indian Journal of Pathology & Microbiology
|December 22, 2005
Summary
This case report details a postmortem examination of a child with Tay-Sachs disease, revealing characteristic brain pathology. The findings highlight the neurological impact of this rare genetic disorder.
Area of Science:
- Neuropathology
- Pediatric Genetics
- Lysosomal Storage Diseases
Background:
- Tay-Sachs disease is a rare, inherited neurodegenerative disorder caused by mutations in the HEXA gene.
- It leads to the accumulation of GM2 gangliosides in nerve cells, primarily affecting infants and young children.
- Early diagnosis and understanding the pathological progression are crucial for management and research.
Observation:
- A 5-year-old patient presented with failure to thrive, muscular flaccidity, and characteristic cherry-red spots on fundoscopy.
- No family history of Tay-Sachs disease was reported, indicating a potential de novo mutation or incomplete family history.
- Enzyme studies confirmed the diagnosis of Tay-Sachs disease.
Findings:
- Postmortem examination revealed no organomegaly.
- Microscopic examination of the brain demonstrated characteristic vacuolated and swollen neurons, consistent with GM2 ganglioside accumulation.
- The neuropathological findings correlate with the clinical presentation and enzyme assay results.
Implications:
- This case underscores the importance of thorough postmortem examination in diagnosing rare genetic disorders.
- Understanding the specific neuropathological changes in Tay-Sachs disease aids in comprehending its devastating effects on the central nervous system.
- Further research into Tay-Sachs disease pathogenesis may lead to novel therapeutic strategies for lysosomal storage diseases.