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Fig. 1 | Radiation Oncology

Fig. 1

From: Prospective superficial EPR in-vivo dosimetry study during hypofractionated radiotherapy of breast cancer patients treated with helical tomotherapy

Fig. 1

Sketch of cross-section parallel to the EPR dosimeters’ symmetry axis and dimensions of the dosimeter design (a). Pictures of an EPR dosimeter affixed inside the cavity of a nipple shield for quick and easy surface application and removal (b, c). Exemplary 3D view of a left-sided breast cancer patient’s body (brown surface) equipped with three EPR dosimeters (d). The ipsilateral EPR dosimeter (iDos) and the contralateral EPR dosimeters (cDos) are shown as red and blue structures, respectively. These dosimeters were placed medial with respect to the left and right mammilla (white structures) using nipple shields (translucent structures). The thyroid and the corresponding EPR dosimeter (tDos) are shown as dark and bright green structures, respectively. Definition of the IEC coordinate system in relation to the dosimeters’ geometry and the patient setup (a, d)

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Radiation Oncology

ISSN: 1748-717X

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