Skip to main content

Table 3 Characteristics of CKRT treatment plans

From: Indications, feasibility, safety, and efficacy of CyberKnife radiotherapy for the treatment of olfactory groove meningiomas: a single institutional retrospective series

CharacteristicsSRS (n = 5)HSRT (n = 6)FSRT (n = 2)All patients (n = 13)
Tumor Volume (cm3)4.57 (0.52–8.76)13.33 (0.44–42.39)1.37 (0.32–2.41)8.12 (0.32–42.39 cc)
Number of Fractions13–525–281–28
Prescription Dose (Gy)14.8 (13–18)27.3 (24–30)50.2 (50–50.4)13–50.4
Dose Fraction (Gy)14.8 (13–18)6 (5–8)1.9 (1.8–2)1.8–18
Prescription Isodose (%)76.7% (70–82%)79.3% (75–84%)86.5% (83–90%)79.38% (70–90%)
Maximum Dose (Gy)19.34 (17.33–24)34.42 (30–37.97)58.14 (55.56–60.72)32.27 (17.33–60.72)
Lesion Coverage96.3% (95.3–98.8%)95.03% (92.69–97.43%)96% (95.35–96.65%)95.66% (92.69–98.8%)
Conformality index1.26 (1.1–1.38)1.43 (1.22–1.77)1.8 (1.69–1.95)1.43 (1.1–1.95)
Total Beam191 (125–262)194 (91–268)161 (143–180)91–268