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Table 2 Measured tandem diameters

From: Improve definition of titanium tandems in MR-guided high dose rate brachytherapy for cervical cancer using proton density weighted MRI

Patient Tandem Curvature Diameter of ovoid (cm) Measured diameter (cm) Difference from physical diameter (cm)
    T2W PDW T2W PDW
1 30° 2.0 0.42 0.37 0.075 0.025
2 30° 2.0 0.32 0.29 −0.025 −0.055
3 30° 2.0 0.35 0.31 0.005 −0.035
4 45° 2.0 0.62 0.53 0.275 0.185
5 45° 1.6 0.49 0.39 0.145 0.045
6 45° 2.5 0.79 0.58 0.445 0.235
7 45° 2.5 0.61 0.53 0.265 0.185
8 45° 1.6 0.62 0.53 0.275 0.185
9 45° 2.5 0.68 0.55 0.335 0.205
10 45° 2.0 0.52 0.39 0.175 0.045
AVE±STD 0.54±0.15 0.45±0.11 0.20±0.15 0.10±0.11
Paired student t-test 0.0003 0.0003
  1. The curvature of the tandem, the physical diameter of the ovoid, the measured diameter of the tandem, as well as the difference between the measured diameter and the physical diameter (0.345 cm) from the T2W and PDW images for each patient are listed.