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Adrenoleukodystrophy indicated by abnormal electro-encephalography

N Wada1, Y Takeuchi, F Fujiwara

  • 1Department of Pediatrics, Nantan General Hospital, Yagi, Japan.

Acta Paediatrica Japonica : Overseas Edition
|August 1, 1996
PubMed
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Abnormal electro-encephalography (EEG) can be an early indicator of adrenoleukodystrophy (ALD). This finding is crucial for diagnosing ALD, even before brain imaging shows abnormalities.

Area of Science:

  • Neuroscience
  • Genetics
  • Pediatrics

Background:

  • Adrenoleukodystrophy (ALD) is a rare genetic disorder affecting the adrenal glands and white matter of the brain.
  • Early diagnosis of ALD is critical for timely intervention and management.
  • Electro-encephalography (EEG) is a common diagnostic tool for neurological disorders.

Observation:

  • An 8-year-old boy with ALD presented with abnormal EEG findings, initially suspected as a complication of aseptic meningitis.
  • His asymptomatic brother also exhibited abnormal EEG results.
  • The patient diagnosed with ALD showed increased very long chain saturated fatty acids and characteristic occipital lesions on MRI and CT scans.

Findings:

  • Abnormal EEG patterns, including occipital slow wave bursts, can be an initial presenting sign of adrenoleukodystrophy.

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  • ALD was diagnosed in the asymptomatic brother based on elevated very long chain saturated fatty acids, despite normal brain MRI.
  • This suggests that EEG abnormalities may precede detectable structural changes in the brain in ALD cases.

    • Implications:

    • Abnormal EEG should be considered a potential early indicator for adrenoleukodystrophy, even in the absence of overt neurological symptoms or MRI abnormalities.
    • This highlights the importance of comprehensive diagnostic approaches in suspected cases of ALD.
    • Further research may elucidate the role of EEG in monitoring ALD progression and treatment efficacy.