Brain Tumours

 Approx. 30-50% of all brain tumor patients are affected by seizures => frequently first clinical manifestation of a brain tumor  Seizures are particularly common in slowly growing tumors and tumors of glial origin Epilepsy in brain tumor patients • DNET 100% • Ganglioglioma 80-90% • Low-grade glioma 70-80% • Meningeoma 30-60% • Glioblastoma 30-50% • Metastases 20-35% • CNS lymphoma 10-15%