SRS AVM PLAN EVALUATION CHECK LIST
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The document outlines the evaluation criteria for stereotactic radiosurgery (SRS) treatment planning for arteriovenous malformation (AVM), including: 1. Patient details and medical history 2. Imaging findings of the AVM including location, size, feeding arteries, and venous drainage 3. Scoring systems used to classify the AVM complexity 4. Prior treatments and the patient's treatment preferences 5. Treatment planning details including dose, margins, plan type and dose constraints to critical organs.
![DR KANHU CHRAN PATRO
17. PTV MARGIN PTV VOLUME
18. DOSE BASED ON K INDEX
19. PLAN TYPE-[3DCRT/VMAT/DCR/IMRS]
20. MONITOR UNITS
21. 1. PRESCRIBED MARGINAL ISODOSE
2. D MAX
3. DMEAN
4. D95%
5. D100%
6. V95%
7. V100%
8. V120%
9. V130%
10. DISTANCE BETWEEN 80% ISODOSE AND 60% ISODOSE-[<2mm]
11. DISTANCE BETWEEN 80% ISODOSE AND 40% ISODOSE-[<8mm]
12. CONFIRMITY INDEX [IDEAL 1] VOLUME OF PRESCRIPTION ISODOSE/VOLUME OF PTV
13. HOMOGENITY INDEX [BETWEEN 1.1-1.3] - MAX DOSE/ PRESCRIPTION DOSE
14. GRADIENT INDEX- [BETWEEN 0.3-0.9] [RAD OF PRESCRIPTION ISODOSE – RAD OF HALF PRESCRIPTION ISODOSE]
22. PIE SCORE
23. FLICKINGER 12Gy VOLUME BASED ON LOBE-EXPECTED NECROSIS
24. BRAIN-GTV [12Gy volume] <10CC
25. OAR SINGLE FRACTION 5 FRACTIONS ACHIEVED
1. RIGHT EYE MAX<8Gy MAX <22.5Gy
2. LEFT EYE MAX<8Gy MAX <22.5Gy](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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SRS AVM PLAN EVALUATION CHECK LIST
- 1. DR KANHU CHRAN PATRO AVM SRS PLAN EVALUATION 1. NAME UMR 2. COMORBIDITY AGE 3. DIAGNOSIS SIDE 4. IMAGING A. CT B. CT ANGIO/ MR ANGIO C. DSA D. FSPGR A. SIDE AND SIZE B. ELOQUENT OR NON-ELOQUENT C. AVM VOLUME D. NIDUS VOLUME E. ANY DEGRADION PRPDUCT F. ANY ANEURYSM G. FEEDING ARTERY AND NUMBER H. VENOUS DRAINAGE AND NUMBER 5. RABS SCORE/POLLOCK FLICKINGER SCORE I II III IV 6. SPETZLER MARTIN SCORE I II III IV V 7. VRAS SCORE/VIRGINIA I II III IV V VI 8. PRAS SCORE I II III IV V 9. HEIDELBERG SCORE I II III 10. ANY PRIOR BLEED 11. SURGERY OPINION 12. PATIENT PREFERENCE 13. PRIOR SURGERY YES NO TYPE INTERVAL 14. PRIOR EMBOLIZATION YES NO INTERVAL 15. PRIOR SRS YES NO DOSE INTERVAL 16. NIDUS VOLUME
- 2. DR KANHU CHRAN PATRO 17. PTV MARGIN PTV VOLUME 18. DOSE BASED ON K INDEX 19. PLAN TYPE-[3DCRT/VMAT/DCR/IMRS] 20. MONITOR UNITS 21. 1. PRESCRIBED MARGINAL ISODOSE 2. D MAX 3. DMEAN 4. D95% 5. D100% 6. V95% 7. V100% 8. V120% 9. V130% 10. DISTANCE BETWEEN 80% ISODOSE AND 60% ISODOSE-[<2mm] 11. DISTANCE BETWEEN 80% ISODOSE AND 40% ISODOSE-[<8mm] 12. CONFIRMITY INDEX [IDEAL 1] VOLUME OF PRESCRIPTION ISODOSE/VOLUME OF PTV 13. HOMOGENITY INDEX [BETWEEN 1.1-1.3] - MAX DOSE/ PRESCRIPTION DOSE 14. GRADIENT INDEX- [BETWEEN 0.3-0.9] [RAD OF PRESCRIPTION ISODOSE – RAD OF HALF PRESCRIPTION ISODOSE] 22. PIE SCORE 23. FLICKINGER 12Gy VOLUME BASED ON LOBE-EXPECTED NECROSIS 24. BRAIN-GTV [12Gy volume] <10CC 25. OAR SINGLE FRACTION 5 FRACTIONS ACHIEVED 1. RIGHT EYE MAX<8Gy MAX <22.5Gy 2. LEFT EYE MAX<8Gy MAX <22.5Gy
- 3. DR KANHU CHRAN PATRO 3. RIGHT OPTIC NERVE MAX<8Gy MAX <22.5Gy 4. LEFT OPTIC NERVE MAX<8Gy MAX <22.5Gy 5. OPTIC CHIASM MAX<8Gy MAX <22.5Gy 6. BRAIN STEM MAX <10-15Gy MAX <23-31Gy 7. RT. COCHLEA MEAN <4-9Gy MEAN <25Gy 8. LT. COCHLEA MEAN <4-9Gy MEAN <25Gy