| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 39+ years1,000+ treatments | Gamma Knife, chemotherapy, immunotherapy | Complex or recurrent osteosarcoma cases | Specializes in oncology with Gamma Knife technology. 94% patient recommendation rate. Offers modern chemotherapy and immunotherapy regimens. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 4.4 / 5 (6 reviews) | Barcelona, Spain | 38+ years | CT scan of the body part, Consultation with an oncologist | — | — | Joint Commission International | ||
| #3 | 4.8 / 5 (41 reviews) | Barcelona, Spain | 30+ years14,000+ treatments | Consultation with an oncologist, CT scan of the body part | — | — | Bookimed Award: Best pediatric hospital, World's Best Specialized Hospitals 2022 by Newsweek |