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Probable adult polyglucosan body disease
C M Klein1, E P Bosch, P J Dyck
1Department of Neurology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA.
Mayo Clinic Proceedings
|December 29, 2000
Summary
Adult polyglucosan body disease (APBD) causes progressive neurological dysfunction. This case highlights diagnostic findings including clinical presentation, MRI, and nerve biopsy in probable APBD.
Area of Science:
- Neurology
- Pathology
- Genetics
Background:
- Adult polyglucosan body disease (APBD) is a rare inherited metabolic disorder.
- It is characterized by the accumulation of abnormal polyglucosan storage bodies in various tissues.
Observation:
- The patient presented with progressive upper and lower motor neuron dysfunction.
- Symptoms included sensory loss in the lower extremities and sphincter dysfunction.
- Cognitive impairment (dementia) was also noted in this case.
Findings:
- Pathological examination revealed numerous large polyglucosan bodies.
- These bodies were found in peripheral nerves, cerebral hemispheres, and spinal cord.
- Magnetic resonance imaging and sural nerve biopsy supported the diagnosis of probable APBD.
Implications:
- This case underscores the importance of integrating clinical, imaging, and pathological findings for APBD diagnosis.
- Early diagnosis can potentially guide management strategies for neurological disorders.
- Further research into APBD pathogenesis and therapeutic targets is warranted.