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Epilepsy surgery in a patient with Dandy-Walker variant
25 May 2011
18 September 2011
27 July 2015 (online)
Epilepsy surgery is an option for many pediatric patients diagnosed with intractable seizures. Identifying pediatric patients that are candidates for surgery can be complicated. This case presented a 19-year-old female with intractable epilepsy who had chronic immune thrombocytopenic purpura and Dandy-Walker variant. The patient had previously been prescribed three appropriate anti-epileptic drugs and continued to experience seizures weekly. The patient had thrombocytopenia, which represented a potential for increased complications. The pre-operative work-up demonstrated heterotopias and dysplasias, which were felt to be the source of the focal onset seizures. She underwent focal resection and at the time of the last follow-up visit, the patient had been seizure free for 2 yr. The outcome of the patient exemplified the importance of evaluating patients with posterior fossa abnormalities for epilepsy surgery. The data in patients with Dandy-Walker variant is limited.