Dosimetric Parameters | MammoSite (34 Gy/10#/1 week) | External Beam (50 Gy/25#/5 weeks) | p-value | ||
---|---|---|---|---|---|
 | Mean | Range | Mean | Range |  |
Lung n = 5 | Â | Â | Â | Â | Â |
Dmean | 4.2 Gy | 2.1–5.6 Gy | 6.5 Gy | 2.6–11.8 Gy | p = 0.18 |
Dmax | 31 Gy | 6.3–45.7 Gy | 51.6 Gy | 49.7–55.9 Gy | p = 0.06 |
V30 (cc) | 2 cc | 0–7.2 cc | 86.7 cc | 31.5–184 cc | p = 0.04* |
V30 (%) | 0.2% | 0–0.5% | 8.3% | 2.3–19.9% | p = 0.04* |
V20 (cc) | 13.4 cc | 0–34.6 cc | 105 cc | 46.1–205 cc | p = 0.04* |
V20 (%) | 1.3% | 0–2.5% | 10% | 3.3–22.2% | p = 0.04* |
V10 (cc) | 83.3 cc | 0–170 cc | 133.6 cc | 67.8–235 cc | p = 0.31 |
V10 (%) | 8% | 0–13.3% | 12.8% | 4.9–25.4% | p = 0.20 |
D5 | 11.3 Gy | 3.9–15.3 Gy | 49.9 Gy | 47.5–53.4 Gy | p = 0.005* |
Heart | Â | Â | Â | Â | Â |
Dmean | 3.8 Gy | 3.1–4.8 Gy | 3.5 Gy | 1.1 – 5.1 Gy | p = 0.63 |
Dmax | 16.6 Gy | 10.6–27.2 Gy | 44.1 Gy | 15.5–51.8 Gy | p = 0.004* |
V20 (cc) | 0.3 cc | 0–1.5 cc | 15.6 cc | 0–23.9 cc | p = 0.008* |
V20 (%) | 0.1% | 0–0.3% | 3.7% | 0–5.3% | p = 0.001* |
V10 (cc) | 10.6 cc | 0.2–33.6 cc | 22.9 cc | 0.3–39.0 cc | p = 0.07 |
V10 (%) | 2.5% | 0–7.5% | 5.4% | 0.1–8.7% | p = 0.07 |
V5 (cc) | 83.8 cc | 46.9–145.0 cc | 41.5 cc | 3.1–82.3 cc | p = 0.006* |
V5 (%) | 19.8% | 11.0–32.2% | 9.6% | 0.8–18.3% | p = 0.008* |
D20 | 8.5 Gy | 6.4–11.9 Gy | 15.3 Gy | 2.3–24.3 Gy | p = 0.10 |
D30 | 7.5 Gy | 5.8–10.4 Gy | 7.6 Gy | 2–14.0 Gy | p = 0.94 |