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. Author manuscript; available in PMC: 2012 Nov 5.
Published in final edited form as: Brachytherapy. 2012 Jan-Feb;11(1):47–52. doi: 10.1016/j.brachy.2011.07.002

Figure 1.

Figure 1

Figure 1

(a) A tandem and ovoid with interstitial catheters (Utrecht applicator, Nucletron B.V., Veenendaal, Netherlands). The applicator uses interstitial catheters that extend above the ovoids and cover a greater width of the cervix higher up than standard ovoids. (b) A tandem and ring applicator with interstitial catheters inserted (Vienna applicator, Nucletron B.V., Veenendaal, Netherlands). Catheters similar to the Utrecht applicator extend the dose to a greater height and width than without. Care must be taken to dose only approximately 10% through the needles, allowing the majority of the dose contribution to be from the tandem and ovoids.