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Related Experiment Videos

Late-onset epilepsy and diffuse cryptogenous cerebral atrophy.

G Regesta1, P Tanganelli

  • 1Department of Neurology, San Martino Hospital, Genoa, Italy.

Epilepsia
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

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Late-onset epilepsy with cryptogenic cerebral atrophy (CCA) appears to be a distinct syndrome. This condition, characterized by specific atrophy patterns, shows stable clinical and EEG features over time.

Area of Science:

  • Neurology
  • Radiology
  • Epileptology

Background:

  • Diffuse cerebral atrophy (CA) is a common finding in late-onset epilepsy.
  • Cryptogenic cerebral atrophy (CCA) represents cases of unknown origin.
  • Understanding the relationship between CCA and epilepsy is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate the characteristics and clinical course of late-onset epilepsy associated with cryptogenic cerebral atrophy (CCA).
  • To determine if CCA in epilepsy patients differs from that in non-epileptic individuals.
  • To evaluate the long-term evolution of clinical and EEG features in this patient group.

Main Methods:

  • Retrospective study of 228 patients with late-onset epilepsy and diffuse CA.
  • Exclusion of patients with known causes of CA, identifying 73 patients with CCA.

Related Experiment Videos

  • Follow-up of CCA patients for a mean of 7.2 years, including CT scans, EEG, and psychometric testing.
  • Comparison with a control group of 92 non-epileptic subjects with diffuse CA.

    • Main Results:

    • CCA was present in 36.8% of epilepsy patients, with cortical (50.7%) and corticosubcortical (42.5%) patterns being most common.
    • Seizures were predominantly generalized (71.2%), with low occurrence and good response to therapy.
    • CCA was significantly less frequent in the non-epileptic control group (4.3%).
    • Clinical and EEG features remained stable during follow-up, with no significant cognitive decline observed.

    Conclusions:

    • Late-onset epilepsy with CCA represents a distinct clinical syndrome.
    • The specific patterns of atrophy in CCA may be intrinsically linked to the epilepsy characteristics.
    • This syndrome is characterized by stable neurological and electrophysiological findings and a favorable prognosis.