Table 2 Normal Structure Dosimetric comparison of Radiation Plans
| Â | A) 1 cm margin | B) 0.5 cm margin | ||||
|---|---|---|---|---|---|---|
| Â | Arytenoid Mean (cGy) | Carotid Mean (cGy) | Spinal Cord Dmax (cGy) | Arytenoid Mean (cGy) | Carotid Mean (cGy) | Spinal Cord Dmax (cGy) |
2D-Tight | 6289 | 2483 | 228 | 6289 | 2483 | 228 |
2D-Loose | 6351 | 5671 | 407 | 6351 | 5671 | 407 |
3D wedges | 6500 | 5777 | 374 | 6466 | 4371 | 251 |
IMRT | 6500 | 4049 | 1437 | 6470 | 2577 | 1482 |