| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | — | 23,000+ treatments | CAR T-cell therapy, CyberKnife for brain tumor | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.8 / 5 (41 reviews) | Barcelona, Spain | — | 14,000+ treatments | Allogenic bone marrow transplantation from a related donor, Autologous bone marrow transplantation | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | |
| #3 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | — | — | Lymphoma chemotherapy, Radiotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 4.7 / 5 (131 reviews) | Istanbul, Turkey | — | — | Pituitary tumor surgery, Chemotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.5 / 5 (155 reviews) | Tel Aviv, Israel | 41+ years34,000+ treatments | CyberKnife, Bone marrow transplantation | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #6 | 4.6 / 5 (208 reviews) | Istanbul, Turkey | — | — | Transnasal resection of tumor, Radiation therapy for brain tumor | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | |
| #7 | 4.5 / 5 (51 reviews) | Istanbul, Turkey | — | — | Enucleation of eye, Brain tumor removal | — | — | Joint Commission International | |
| #8 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Radiation therapy for brain tumor, Pituitary tumor surgery | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #9 | 4.6 / 5 (125 reviews) | Antalya , Turkey | — | — | Radiotherapy, Allogenic bone marrow transplantation from an unrelated donor | — | — | Joint Commission International | |
| #10 | 4.7 / 5 (16 reviews) | Baku, Azerbaijan | 24+ years | Brain tumor surgery, Chemotherapy | — | — | Joint Commission International , Patient choice for Check-up |