Table 4 Initial Radiation, Reirradiation and Cumulative Maximum Dose to Bowel
From: Hyperfractionated abdominal reirradiation for gastrointestinal malignancies
Location | Initial treatment dose in gray median [range] mean ± SD | Reirradiation treatment dose in gray median [range] mean ± SD | Cumulative dose in gray median [range] mean ± SD | |||
|---|---|---|---|---|---|---|
Nominal dose | EQD24a | Nominal dose | EQD24a | Nominal dose | EQD24a | |
Stomach | 34.6 [0–56.1] 35.9 ± 15.1 | 36.9 [0–51.8] 35.7 ± 14.5 | 34.6 [1.4–48] 30.0 ± 14.2 | 31.7 [0.94–44.8] 27.4 ± 13.5 | 68.8 [32–92.2] 65.9 ± 15.3 | 66 [29.9–88.1] 63.1 ± 15.2 |
Duodenum | 40.5 [21–55.7] 39.9 ± 10.2 | 43.9 [16.3–55.5] 41.2 ± 10.2 | 39.2 [0–48] 35.6 ± 11.3 | 35.7 [0–44.8] 32.9 ± 10.5 | 75.7 [50.4–95.4] 75.5 ± 13.0 | 76.3 [46.0–89.8] 74.1 ± 13.1 |
Small Bowel | 39.6 [20.7–52.8] 37.9 ± 10.7 | 42.2 [16.2–52.3] 38.6 ± 11.5 | 35.6 [0–48] 32.9 ± 12.8 | 31.9 [0–44.8] 30.2 ± 12.3 | 71.4 [50.4–95.4] 70.8 ± 12.9 | 67.9 [46.1–89.8] 68.7 ± 14.0 |
Large Bowel | 36.1 [20.9–52.8] 37.0 ± 11.3 | 38.4 [16.3–51.7] 37.2 ± 11.6 | 35.9 [0–48.1] 32.5 ± 13.2 | 32.1 [0–44.8] 29.8 ± 12.5 | 68.1 [50.4–98.1] 69.5 ± 13.5 | 66.4 [46.1–93.1] 67.0 ± 14.0 |