Table 2.
Treatment characteristics for 33 extramedullary plasmocytoma lesions
| Characteristic | Value | Percentage/range |
|---|---|---|
| Treatment parameters | ||
| Med. radiation dose (range), Gy | 45 | 12–55.8 |
| ≤ 45 Gy | 18/33 | 55% |
| > 45 Gy | 15/33 | 45% |
| Med. fraction dose (range), Gy | 2 | 1.8–4.0 |
| Med. treatment time, d | 35 | 4–52 |
| Sites of RT | ||
| Nasal/paranasal | 10/33 | 30% |
| Pharynx | 6/33 | 18% |
| Orbital/epidural | 6/33 | 18% |
| Cervical | 6/33 | 18% |
| Cutaneous/muscular | 5/33 | 16% |
| Type of RT | ||
| Postoperative | 11/33 | 33% |
| Definitive | 22/33 | 67% |
| RT technique | ||
| IMRT | 14/33 | 42% |
| CRT | 19/33 | 58% |
| Bone erosion | ||
| Yes | 13/33 | 40% |
| No | 14/33 | 42% |
| Unknown | 16/33 | 18% |
| Local response | ||
| Complete response | 14/33 | 43% |
| Partial response | 11/33 | 33% |
| Stable | 1/33 | 3% |
| Progression | 3/33 | 6% |
| Unknow | 5/33 | 15% |
Med median, CRT conventional radiotherapy, CTX chemotherapy, RT radiotherapy, IMRT intensity-modulated radiotherapy