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Autism, macrocrania and epilepsy: how are they linked?
Antonia Parmeggiani1, Annio Posar, Paola Giovanardi-Rossi
1Child Neurology and Psychiatry Unit, Department of Neurological Sciences, University of Bologna, Via Ugo Foscolo 7, 40123 Bologna, Italy. parmeggi@alma.unibo.it
Brain & Development
|July 27, 2002
Summary
Autistic disorder (AD) with macrocrania and epilepsy is not a distinct syndrome. Macrocrania in AD patients may indicate a specific subgroup, warranting further investigation into familial macrocrania.
Area of Science:
- Neurodevelopmental disorders
- Clinical genetics
- Epileptology
Background:
- Autistic disorder (AD) is a complex neurodevelopmental condition.
- Macrocrania (large head size) and epilepsy are sometimes observed in individuals with AD.
- The relationship between these conditions requires further clarification.
Purpose of the Study:
- To investigate the potential association between autistic disorder, macrocrania, and epilepsy.
- To determine if macrocrania and epilepsy co-occur more frequently in AD than expected by chance.
Main Methods:
- Retrospective study design.
- Comparison of AD patients with macrocrania (both epileptic and non-epileptic) against AD controls without macrocrania.
- Analysis of clinical characteristics, including epilepsy and EEG findings.
Main Results:
- Macrocrania was identified in 17.3% of 121 AD patients.
- Epilepsy prevalence did not significantly differ between AD patients with and without macrocrania.
- Epileptiform EEG abnormalities were more common in AD patients with epilepsy.
Conclusions:
- Autistic disorder with macrocrania and epilepsy does not appear to constitute a distinct syndrome.
- Macrocrania in AD may serve as a marker for a specific subgroup of individuals.
- The potential role of familial macrocrania in AD warrants additional research.