Number of Patients Treated with Gamma Knife
Total number of cases : 5,180 (No. of lesions : 11,545)
1. Vascular lesions 1,214 (23.5%)
- AVM 1015 (19.6%)
- AOVM 180 (3.5%)
- Other anomalies 19 (0.4%)
2. Benign Tumors 2,107 (40.7%)
- Vestibular schwannoma 703 (13.6%)
- Trigeminal schwannoma 53 (1.0%)
- Other schwannoma 42 (0.8%)
- Benign glial tumor 177 (3.4%)
- Meningioma 520 (10.0%)
- Pituitary adenoma (secreting) 150 (2.9%)
- Pituitary adenoma (non-secreting) 151 (2.9%)
- Pineal region tumor 48 (0.9%)
- Hemangioblastoma 31 (0.6%)
- Hemangiopericytoma 8 (0.2%)
- Craniopharyngioma 120 (2.3%)
- Chordoma 30 (0.6%)
- Glomus tumors 8 (0.2%)
- Other benign tumors 66 (1.3%)
3. Malignant tumors 1,724 (33.3%)
- Malignant glial tumor 175 (3.4%)
- Metastatic tumors 1,428 (27.6%)
- Chondrosarcoma 6 (0.1%)
- Nasopharyngeal carcinoma 34 (0.7%)
- Other malignant tumors 81 (1.6%)
3. Functional disorders 130 (2.5%)
- Trigeminal neuralgia 125 (2.4%)
- Other functional disorders 5 (0.1%)
4. Ocular disorders 5 (0.1%)
