| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | 33+ years | Gamma Knife, decompressive glial tumor surgery, radiation therapy, chemotherapy, targeted therapy | Recurrent or aggressive glioblastoma cases | Offers advanced Gamma Knife treatment and decompressive surgery. Affiliated with Johns Hopkins Medicine, providing access to innovative therapies. Over 3,000 bone marrow transplants performed, indicating high-volume neurosurgery. | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.7 / 5 (357 reviews) | Istanbul, Turkey | 23+ years | Gamma Knife, microsurgical tumor removal, radiotherapy with TrueBeam STx and IMRT, chemotherapy | Complex or inoperable brain tumors | Offers Gamma Knife radiation and advanced radiotherapy with TrueBeam STx. First hospital in Turkey with JCI accreditation. Over 1.6 million patients treated annually. | International Organization for Standardization, Joint Commission International | ||
| #3 | 4.7 / 5 (133 reviews) | Istanbul, Turkey | 22+ years | Gamma Knife, chemotherapy, radiotherapy | Glioblastoma with complete tumor removal | Offers Gamma Knife radiosurgery and combined chemotherapy-radiotherapy treatment. Uses Elekta Versa HD SIGNATURE for precise tumor targeting. ISO-accredited facility with oncology specialists. | International Organization for Standardization, Joint Commission International | ||
| #4 | 4.5 / 5 (51 reviews) | Istanbul, Turkey | 17+ years | Gamma Knife, microsurgical removal of glial tumors, intraoperative MRI | High-grade or recurrent glioblastomas | Offers precision Gamma Knife radiotherapy and microsurgery with intraoperative imaging for complete tumor removal. JCI-accredited neurosurgery team. | Joint Commission International | ||
| #5 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | 38+ years | Gamma Knife, microsurgical tumor removal, intraoperative navigation, intraoperative MRI | Complex brain tumor cases | Specializes in precision neurosurgery with Gamma Knife and intraoperative MRI. JCI-accredited hospital performing 80+ daily operations with dedicated neuro-oncology team. | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #6 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | — | — | — | Joint Commission International | |
| #7 | 4.6 / 5 (213 reviews) | Istanbul, Turkey | 20+ years | Gamma Knife surgery, MR-LINAC radiotherapy, LINAC radiotherapy | Complex brain tumors | Offers Gamma Knife surgery for precise tumor targeting. JCI-accredited with advanced radiotherapy options like MR-LINAC for real-time imaging. | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #8 | 5.0 / 5 (53 reviews) | Istanbul, Turkey | 29+ years | Gamma Knife, intensity-modulated radiation therapy (IMRT), temodal tablet | Glioblastoma requiring precision radiation therapy | Offers Gamma Knife radiosurgery for precise tumor targeting. Uses IMRT combined with temodal chemotherapy. JCI-accredited facility with specialized radiation oncology department. | Joint Commission International , International Organization for Standardization | ||
| #9 | 4.6 / 5 (127 reviews) | Antalya , Turkey | 26+ years | Consultation with an oncologist | — | — | Joint Commission International | ||
| #10 | 5.0 / 5 (1 review) | Istanbul, Turkey | 30+ years | — | — | — | — |