Table 1.
Patient and plan characteristics
| Patient characteristics | N | % | |
|---|---|---|---|
| Patients | 14 | ||
| FIGO stage | |||
| IB-IIB | 8 | 57 | |
| III-IV | 6 | 43 | |
| Histopathology | |||
| Squamous cell carcinoma | 11 | 79 | |
| Adenocarcinoma | 2 | 14 | |
| Other | 1 | 7 | |
| Lymph node involvement | 4 | 29 | |
| 3 BT fractions (5.3-7.5 Gy) | 5 | 36 | |
| 4 BT fractions (5.0-6.0 Gy) | 2 | 14 | |
| 5 BT fractions (5.5-6.0 Gy) | 7 | 50 | |
| Patient age | Median | Range | |
| 58 | 33-79 | ||
| EBRT dose (Gy) | 50 | 45-62 | |
| BT dose (Gy) | 26 | 16-30 | |
| Plan characteristics | N | Median | Range |
| BT (plans) | |||
| Total fractions | 58 | ||
| Usable fractions† | 55 | ||
| HR-CTV size (cc) | 32 | 8-145 | |
| Non-bulky (cc) | 15 | 15 | 8.3-20.0 |
| Low-bulky (cc) | 19 | 27 | 8.3-39.0 |
| Bulky (cc) | 21 | 74 | 8.3-145 |
FIGO – International Federation of Gynecology and Obstetrics, BT – brachytherapy, EBRT – external beam radiotherapy
†
For 3 fractions the MRI scanner was unavailable, and patients were imaged by CT instead. These fractions were excluded from the study