An edge-element based finite element model of microwave heating in hyperthermia: application to a bolus design
Bibliographic record
Abstract
Heating of superficial tumours with microwave waveguide applicators has been shown in phase III trials to significantly improve the local control of small lesions when combined with radiation therapy. This success has not yet translated to the treatment of larger tumours, due to difficulty in adequately heating the entire tumour region. Several modifications to the water bolus used with external waveguide applicators have been made in the past in order to increase the heating area. One such modification consisted of a large, microwave-absorbing patch placed inside the bolus, which flattens out the beam profile produced by the applicator. Using this bolus instead of a conventional one resulted in a 30% increase in the effective heating volume produced by the BSD MA120 applicator. This paper describes an optimization procedure for this bolus design which utilises a new finite element model of microwave heating described in an accompanying paper. The optimization procedure resulted in a further 28% increase in the effective heating volume.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".