Brain Tumor Types
Brain tumors are classified as primary (arising from brain — glioma, meningioma) or secondary (metastases from other organs). GBM is the most common malignant primary type. WHO 2021 classification is based on IDH mutation status.
CyberKnife/Gamma Knife: Non-Surgical Radiosurgery
SRS delivers high-dose radiation in a single session with millimeter precision. No hospitalization required. 90-95% local control for metastases and meningiomas.
FDA-approved Vorasidenib is now standard for IDH-mutant Grade 2 glioma. IDH1/2 mutation testing is included in Istanbul's NGS panels as standard.
GBM: TTFields + Temozolomide
Stupp protocol (TMZ+RT) + TTFields device improves 2-year GBM survival to 43%. This combination is available in Istanbul.
Brain SRS in Istanbul: $4,000-12,000 (USA: $25,000-60,000). GBM treatment: $15,000-40,000 (USA: $100,000+). Savings 50-80%.