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Childhood autism in tuberous sclerosis
P Sitholey1, V M Aga, V Agarwal
1Department of Psychiatry, K.G Medical College, Lucknow.
Indian Journal of Pediatrics
|April 25, 2000
Summary
This study highlights two cases of childhood autism in tuberous sclerosis (TS), noting atypical features like the absence of common seizures. The research emphasizes the high prevalence of autism in TS patients with intellectual disability.
Area of Science:
- Neurodevelopmental disorders
- Genetics and rare diseases
Background:
- Tuberous sclerosis (TS) is a genetic disorder with variable neurological manifestations.
- Childhood autism, or autism spectrum disorder (ASD), is a complex neurodevelopmental condition.
- The co-occurrence of TS and ASD requires further investigation into shared or distinct pathological mechanisms.
Observation:
- Two cases of childhood autism in individuals with tuberous sclerosis are presented.
- Atypical clinical features were observed in both probands.
- Neither patient exhibited typical seizure disorders commonly associated with TS or ASD.
- Neuroimaging revealed no ventricular dilatation, cerebral atrophy, or temporal lobe abnormalities.
Findings:
- The study underscores the significant prevalence of childhood autism among TS probands.
- A strong association is noted between TS and autism, particularly in cases with moderate to severe intellectual disability.
- Atypical presentations challenge conventional diagnostic criteria for both conditions.
Implications:
- These findings suggest that TS may present with autism spectrum disorder even without typical neurological comorbidities like seizures.
- Further research is warranted to understand the specific genetic and neurobiological links between TS and ASD.
- Clinical awareness should be heightened for autism spectrum disorder in children diagnosed with tuberous sclerosis, irrespective of seizure activity.