Table 1 Patients baseline characteristics (n = 40)
From: Long-term results of radiotherapy in anaplastic thyroid cancer
Age (in years/range) | 38-84 |
Sex | |
♀ | 65% |
♂ | 35% |
N stage | |
N0 | 23% |
N1 | 39% |
N3 | 3% |
Distant metastasis | |
At diagnosis | 22.5% |
In the course of treatment | 27.5% |
Surgery | |
Total thyroidectomy | 68% |
Subtotal thyroidectomy | 12% |
Resection status | |
R0 | 10% |
R1 | 50% |
R2 | 7.5% |
Rx | 32.5% |
Removal of lymph nodes | 32.5% |
Chemotherapy | 15% |
Radiotherapy: | 97.5% |
Opposing field technique | 49.5% |
3-d-conformal technique | 14% |
Combination of both | 32.5% |
Period between operation and radiation (in days/range) | 13 (2–399) |
Median applied dose (Gy/range) | 50 (6–60.4) |
Fractionation schedules | |
Daily radiation | 87.5% |
Twice daily radiation | 7.5% |
Radiation every second day | 7.5% |