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Epilepsia. 2014 Jul;55(7):1020-4. doi: 10.1111/epi.12627. Epub 2014 Apr 22.

Genotype/phenotype in tuberous sclerosis complex: associations with clinical and radiologic manifestations.

Author information

1
Comprehensive Epilepsy Center, Department of Neurology, New York University Langone Medical Center, New York, New York, U.S.A.

Abstract

OBJECTIVES:

Patients with tuberous sclerosis complex (TSC) frequently have autism spectrum disorders and neuropsychiatric disorders. Subependymal giant cell astrocytomas (SEGAs) have been reported to occur in 5-20% of patients with TSC; however, the relationship between SEGAs and neuropsychiatric disorders in TSC remains unknown. We utilized a large multicenter database to study associations between SEGAs and neuropsychiatric disorders in patients with TSC.

METHODS:

Associations between the presence of SEGAs and neuropsychiatric disorders were examined in a retrospective review of 916 patients enrolled in the TSC Natural History Database Project (Tuberous Sclerosis Alliance).

RESULTS:

Among the 916 TSC patients, 226 had SEGAs (25%) and 155 had autism spectrum disorder (ASD) (17%). Compared to patients without SEGAs, patients with SEGAs were 1.83 (95% confidence interval [CI] 1.26-2.66) times more likely to have ASD. No significant relationship was found between SEGAs and intellectual disability, attention-deficit/hyperactive disorder, or major depressive disorder.

SIGNIFICANCE:

The clinical presentation of TSC is highly variable and not well understood. These data show that SEGAs are associated with ASD in patients with TSC, suggesting that the pathologic changes leading to SEGA formation may also predispose patients to ASD.

KEYWORDS:

Autism spectrum disorders; Epilepsy; Tuberous sclerosis complex

PMID:
24754401
DOI:
10.1111/epi.12627
[Indexed for MEDLINE]
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