| Turkey | Austria | Spain | |
| Gamma Knife | from $5,500 | ≈ $32,000 | from $13,500 |
Head of Functional Neurosurgery and Radiosurgery at Ruber International Hospital since 2005, with over 42 years of specialized experience in radiosurgery.
Dr. Miguel Aristegui Ruiz is an ENT surgeon at Publio Cordon Memorial Hospital in Madrid. He treats ear and skull base conditions, including acoustic neuroma and profound hearing loss. He performs cochlear implant placement and brain tumor surgery. His work includes otorhinolaryngology, surgery, and neurosurgical rehabilitation.
Dr. Aristegui Ruiz works at a JCI-accredited facility. This accreditation is a US-based standard for patient safety and clinical quality. The hospital has over 110 doctors across multiple surgical specialties. He treats patients within an ENT department equipped for neurotology and hearing restoration.
Dr. Luis Madero is the Head of Pediatric Hemato-Oncology at Quironsalud Madrid University Hospital. He specializes in treating complex blood disorders and performing bone marrow transplants. Dr. Madero serves as a Professor of Pediatrics at the Autonomous University of Madrid. He works at Quironsalud Madrid, which Newsweek ranked among the World's Best Hospitals.