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Adult type of leukodystrophy. Krabbe's disease?
F F Cruz-Sanchez1, J A Martos, A Rives
1Department of Pathology, Hostpiral Clinico y Provincial, Barcelona, Spain.
Abstract:
A 24-year-old man developed progressive dementia in seven years. The patient suffered a severe bronchopneumonia and eventually died few days later. Brain coronal sections showed a soft gray-brownish discoloration of white matter of centrum ovale but the subcortical arcuate fibers and the interne capsule were preserved. Microscopically, the white matter showed marked loss of myelin and oligodendrocytes, abundant hypertrophic astrocytes and numerous "globoid cells". The latter showed strong positivity in immunostains for a mouse monoclonal antigalactocerebroside antibody. The presence of these cells in the brain white matter might be the morphological basis to classify the present case as one of Krabbe's Leukodystrophy.
Insights
This case study describes a young man with progressive dementia diagnosed as Krabbe's Leukodystrophy. Microscopic analysis revealed characteristic globoid cells in the brain's white matter, confirming the diagnosis.
Area of Science:
- Neuroscience
- Neuropathology
- Genetics
Background:
- Krabbe's Leukodystrophy is a rare, inherited lysosomal storage disease affecting myelin.
- It typically presents in infancy but adult-onset forms exist, posing diagnostic challenges.
Observation:
- A 24-year-old male presented with a seven-year history of progressive dementia.
- Neuropathological examination revealed white matter abnormalities, including myelin loss and the presence of globoid cells.
Findings:
- Microscopic analysis showed significant loss of myelin and oligodendrocytes.
- Immunostaining confirmed globoid cells positive for galactocerebroside, a hallmark of Krabbe's disease.
- Preserved subcortical arcuate fibers and internal capsule were noted.
Implications:
- This case highlights the importance of considering adult-onset Krabbe's Leukodystrophy in patients with progressive dementia.
- The characteristic globoid cells serve as a crucial diagnostic marker.
- Further research into adult-onset leukodystrophies is warranted for improved diagnosis and management.