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Fig. 1 | Radiation Oncology

Fig. 1

From: Treatment plan comparison for irradiation of multiple brain metastases with hippocampal avoidance whole brain radiotherapy and simultaneous integrated boost using the Varian Halcyon and the Elekta Synergy platforms

Fig. 1

Example of treatment fields for HA-WBRT + SIB. Colored structures: PTVwholebrain, PTVmetastases and HAR. A Halcyon Beams Eye view from 270° illustrating the four beams with different collimator setting of 281°, 326°, 11° and 56°. B Pinnacle Beams Eye view from 270° showing 4 half beams (each beam splitted at the hippocampal level). Two arcs covered the cranial part of the brain and two arcs covered the caudal part of the brain

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