| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.0 / 5 (1 review) | Hamburg, Germany | — | — | Lab tests, CT (computer tomography) | — | — | World's Best Hospitals 2021 by Newsweek | |
| #2 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Tumor resection and reconstruction, chemotherapy, radiation therapy | Complex Ewing's sarcoma cases | JCI-accredited oncology institute with multidisciplinary team and advanced diagnostics. Dr. Galcerán has 37 years experience treating over 1,100 cases. | Joint Commission International , European Foundation for Quality Management | ||
| #3 | 4.6 / 5 (515 reviews) | Istanbul, Turkey | 33+ years | Chemotherapy, radiotherapy with CyberKnife and Truebeam, surgical resection with reconstruction | Advanced or recurrent Ewing's sarcoma | Specializes in pediatric oncology with advanced radiation therapy options like CyberKnife. Affiliated with Johns Hopkins Medicine and performs 250+ bone marrow transplants annually. | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 4.6 / 5 (215 reviews) | Istanbul, Turkey | 20+ years | Chemotherapy, PET CT, blood tests | Relapsed/refractory cases | Offers structured 6-course chemotherapy program with included hospitalization. JCI-certified facility with 91% patient recommendation rate. Coordinates stem cell transplants at partner centers when needed. | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #5 | 4.7 / 5 (360 reviews) | Istanbul, Turkey | 29+ years | VIDE chemotherapy, Radiotherapy, Autologous stem cell transplantation | Advanced or recurrent Ewing's sarcoma | Uses TrueBeam STx and IMRT for precise radiotherapy, follows NCCN and ESMO protocols, and offers autologous transplants with 80-90% success rate. Over 100 bone marrow transplants performed annually. | International Organization for Standardization, Joint Commission International | ||
| #6 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Complex treatment of Ewing's sarcoma | — | — | Joint Commission International , International Organization for Standardization | |
| #7 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Chemotherapy, surgical intervention, radiotherapy, autologous bone marrow transplantation | Children and adolescents with Ewing's sarcoma | Specializes in pediatric hematology and oncology with JCI accreditation. Offers comprehensive treatment including chemotherapy, surgery, and bone marrow transplants. Advanced diagnostic tools like PET-CT available. | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #8 | 4.7 / 5 (135 reviews) | Istanbul, Turkey | — | — | CT (computer tomography), Biopsy | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 4.8 / 5 (41 reviews) | Barcelona, Spain | 14,000+ treatments | Brain MRI, Consultation with an oncologist | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek | ||
| #10 | 4.3 / 5 (18 reviews) | Istanbul, Turkey | 2016+ years | Chemotherapy, radiotherapy, immunotherapy, radiofrequency ablation | Advanced or recurrent Ewing's sarcoma | Multidisciplinary oncology team combines university research with clinical expertise. Offers PET-CT for precise tumor detection and personalized treatment plans. Performs 2,700 international cancer treatments annually. | Best clinic for radiotherapy, Best price for PET/CT |