Would you treat T1a glottic cancer with single vocal cord irradiation using IGRT?
The traditional 2-field parallel opposed field technique irradiates the whole larynx to the same dose and includes unaffected structures.
This study suggests great local control with better voice quality with svci technique
https://doi.org/10.1016/j.ijrobp.2015.06.016
2 Answers
Mednet MemberInvited Expert
Radiation Oncology · University of Michigan
Answered on
Treating glottis larynx ca with IMRT/VMAT sparing the carotid artery has been reported by several institutions and is straightforward (for example, here). The benefits are supposed to be reduced cerebrovascular events, however, the utility of this approach is unknown, taking into account the relativ...
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Radiation Oncology · Moffitt Cancer Center
Answered on
Unilateral treatment with 3D planning has been done for a long time, for example see RTOG 9512. A recent PMH study suggests improved outcomes with IGRT.
I think it is reasonable to do unilateral 3D/IGRT for T1a and appropriate T2 glottic cancers. There are multiple studies with IMRT in these patient...
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