Thermotherapy, as well as any cancer treatment, requires a strict selectivity in order to avoid undesired injurious effects against healthy tissues. In this paper, we provide a computational study concerning a new focusing technique, for hyperthermic treatment design, based on the recent method for the synthesis of pencil beams by means of fixed-geometry arrays [6]–[7]. Performances are tested against 2-D anatomically realistic breast phantoms, showing an interesting potential.
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