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Review
. 2022 Sep;269(9):4872-4883.
doi: 10.1007/s00415-022-11132-9. Epub 2022 May 5.

A review of the natural history of Sturge-Weber syndrome through adulthood

Geoffroy Vellieux  1   2 , Valerio Frazzini  1   2   3 , Phintip Pichit  1 , Sophie Dupont  1   2   4   3 , Isabelle Gourfinkel-An #  1   2 , Vincent Navarro #  5   6   7   8
Affiliations
Review

A review of the natural history of Sturge-Weber syndrome through adulthood

Geoffroy Vellieux et al. J Neurol. 2022 Sep.

Abstract

Background: Sturge-Weber syndrome (SWS) is a neurocutaneous disorder caused by a somatic mutation in the GNAQ gene, leading to capillary venous malformations with neurological, ocular, and cutaneous abnormalities. Descriptions of adult and elderly patients with SWS are scarce compared to those of neonates or children.

Methods: We reviewed clinical, neuro-radiological and electroencephalographical findings of adult patients diagnosed with SWS, treated in our tertiary center for rare epilepsies.

Results: Ten adult patients were identified with a median age of 48 years at inclusion. All patients had seizures, with features of temporal lobe involvement for five patients. One patient presented typical drug-resistant mesial temporal seizures with ipsilateral hippocampal sclerosis and leptomeningeal enhancement, and was treated surgically. Other patients presented typical neurological and brain imaging features found in SWS. One patient without visible leptomeningeal angioma or brain calcifications presented neurological symptoms (tonic-clonic generalized seizures) for the first time at the age of 56. Two of the oldest patients in our cohort with supratentorial leptomeningeal angioma displayed contralateral cerebellar atrophy, consistent with crossed cerebellar diaschisis. Over 70 years of follow-up data were available for one patient whose epilepsy started at the age of 6 months, offering a vast overview of the course of SWS, in particular the onset of dementia and contralateral micro-bleeds in relation to the leptomeningeal angioma.

Conclusion: The long follow-up of our cohort allows for a description of the course of SWS and a characterization of uncommon neurological features in adult and elderly patients.

Keywords: EEG; Epilepsy; GNAQ; Leptomeningeal angioma; MRI; Sturge–Weber syndrome.

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