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Hereditary adult-onset leukodystrophy simulating chronic progressive multiple sclerosis.
The New England Journal of Medicine
|October 11, 1984
Summary
This study describes a hereditary neurologic disorder with autosomal dominant inheritance. Early autonomic symptoms and white matter degeneration on CT scans are key indicators of this progressive condition.
Area of Science:
- Neurology
- Genetics
- Radiology
Background:
- A large kindred exhibits a chronic, progressive neurologic disorder spanning four generations.
- The inheritance pattern is consistent with autosomal dominant transmission.
- Initial diagnoses in affected individuals included multiple sclerosis.
Observation:
- Symptoms manifest in the fourth and fifth decades, presenting with cerebellar, pyramidal, and autonomic dysfunction.
- Autonomic abnormalities, including bowel/bladder issues and orthostatic hypotension, may precede other signs.
- Computed tomography (CT) reveals symmetrical white-matter density reduction in the frontal lobes, centrum ovale, and cerebellar white matter.
Findings:
- Pathological examination shows gross white-matter degeneration with vacuolation.
- Microscopic analysis indicates preservation of U fibers and cortical structures.
- Absence of inflammatory changes or reactive gliosis is noted.
Implications:
- The hereditary nature of this disorder suggests potential for genetic identification.
- Understanding the genetic basis could lead to targeted treatments or preventative strategies.
- This research aids in differentiating this condition from other neurodegenerative diseases.