In vivo estimation of midline dose maps by transit dosimetry in head and neck radiotherapy
S Broggi
1
C Fiorino
2 and
R Calandrino
2
1 Università degli Studi di Milano, Scuola di Specializzazione in Fisica Sanitaria, Milano, and 2 Servizio di Fisica Sanitaria, H. San Raffaele, Via Olgettina 60, 20132 Milano, Italy

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Figure 1. Schematic diagram of the anatomical region treated in patients considered in this study. The position of the relevant measurements points and estimated mean deviations between measured and calculated midline doses with Batho algorithm are reported.
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Figure 2. Distribution of deviations between estimated and calculated midline doses for all data. Midline doses were calculated with the Batho algorithm. Similar results were found when using the ETAR algorithm.
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Copyright © 2002 by the British Institute of Radiology.