| トルコ | オーストリア | スペイン | |
| ガンマナイフ | から $6,300 | から $32,000 | から $18,000 |
Dr. Roberto Martínez Álvarez is the Head of Functional Neurosurgery and Radiosurgery at Ruber International Hospital. He specializes in Gamma Knife and CyberKnife treatments for brain tumors and vascular malformations. He serves on the Executive Council of the International Society of Stereotactic Radiosurgery.