Abstract
Medical
display systems are valuable tools in enabling the clinicians in the field
of radiation therapy to view a patient's multi-modal information and
treatment plan details. The effectiveness of display systems is further
improved by including computer-based visualization systems that deliver the
content comprehensively. In this paper, we present a medical display and
visualization framework for radiation therapy that couples a computer-based
simulation of real-time lung tumor motion and its dose accumulation during
treatment with an Augmented Reality Center (ARC) based display system. The
simulation framework provides insights on the variations in the
effectiveness of the lung therapy for changes in the patient's breathing
conditions. The display system aims to enhance the clinician's understanding
by enhancing the 3D depth perception of the dose accumulation in lung
tumors. Thus the framework acts as a tool for presenting both pre-operative
studies and intra-operative treatment efficacy analysis when coupled with a
real-time respiration monitor. A first evaluation of this framework was
carried out using six clinical experts. Results show that, using the ARC
compared to a 2D monitor, the experts were able to more efficiently perceive
the radiation dose delivered to various aspects of the
moving tumor and the surrounding normal tissues, as well as more quickly
detecting radiation hot spots that are critical to minimizing damage to
healthy tissue.
© 2008 IEEE
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