Konya D.Kiliç T.Peker S.Çekirge S.Baltacioglu F.Pamir M.N.2024-07-122024-07-1220041301-1375https://hdl.handle.net/20.500.12415/8525Deeply situated intracranial arteriovenous malformations have more mortality and morbidity ratios, as they present anatomical difficulties in surgical approaches. On the other hand, technically, deep location is not a complication increasing factor in radiosurgery. In this prospective study, first 50 patients with deep AVM's who have at least 2 year follow-up after gamma-knife treatment are evaluated. All 50 deep situated AVM's revealed a decrease in their nidus volumes. In 44 (88%) cases AVM oclusion was complete, 4 AVM's (8%) showed 50-80% decrease in their nidus volumes, and 2 other (4%) displayed only venous drainage. Six (12%) AVM cases demonstrated radiological T2 image changes around the AVM nidus, in the normal brain tissue, in 3 (6%) cases these changes caused neurologically permanent deficits. No mortality was detected in the deeply located AVM's and only one intracranial hemorrhage was detected in the latent period.trinfo:eu-repo/semantics/closedAccessArteriovenous MalformationGamma-KnifeRadiosurgeryArticle5615110