DWI revolutionised stroke imaging since mid-1980s. Diffusion abnormalities reveal water molecule movement in tissues. DWI provides diagnostic sensitivity and prognostic information
Any bleeding inside skull or brain is a medical emergency. 85% of non-traumatic hemorrhages occur in hypertension or cerebral amyloid angiopathy. Complications include increased intracerebral pressure and hydrocephalus
Uncommon, low-grade CNS tumors affecting children and young adults. Accounts for 2-3.8% of primary intracranial tumors. Most frequently found in temporal lobes (70%). Usually presents with medically refractory epilepsy
Benign epithelial lined cysts containing mucin, blood, cholesterol. Accounts for 2-3% of primary brain tumors and 15-20% of intraventricular masses. Located at foramen of Monro in 99% of cases. Most common in early middle age (30-40 years)
Rare genetic disease causing non-cancerous tumors in multiple organs. Affects 7-12 per 100,000 people worldwide. First described by Bourneville in 1880
Professor Özek has over 40 years of experience in pediatric neurosurgery. Specializes in brain tumors, epilepsy, spasticity, and congenital malformations. Authored 4 books, 30 chapters, 117 papers in English. Served as President of ESPN from 2008-2010