The use and QA of biologically related models for treatment planning: short report of the TG-166 of the therapy physics committee of the AAPM.
2012
Treatment
planning tools that use biologically related models for plan
optimization and/or evaluation are being introduced for clinical use. A variety of
dose-responsemodels and quantities along with a series of organ-specific
model parameters are included in these tools. However, due to various
limitations, such as the limitations of models and available model
parameters, the incomplete understanding of dose responses, and the inadequate clinical data, the use
of biologically based treatment
planningsystem (BBTPS)
represents a paradigm shift and can be potentially dangerous. There will be a steep
learning curve for most planners. The purpose of this task group is to address some of
these relevant issues before the use of BBTPS becomes widely spread. In this report, the
authors (1) discuss strategies, limitations, conditions, and cautions for using
biologically based models and parameters in clinical treatment planning; (2)
demonstrate the practical use of the three most commonly used commercially available BBTPS
and potential dosimetric differences between biologically model based and
dose-volume
based treatment
plan optimization and evaluation; (3) identify the desirable features and future
directions in developing BBTPS; and (4) provide general guidelines and methodology for the
acceptance testing, commissioning, and routine quality assurance (QA) of BBTPS.
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