Radiation therapy for the treatment of skin Kaposi sarcoma
Bibliographic record
Abstract
OBJECTIVE: Kaposi sarcoma (KS) lesions are purplish, reddish blue or dark brown/black macules, plaques or nodules which involve the skin and occasionally internal organs. Most patients with KS have a long indolent chronic course. METHODS: A retrospective review was undertaken for all KS skin patients treated with radiotherapy at a tertiary cancer centre from Jan. 2, 1999 to Dec. 31, 2014 (inclusive). RESULTS: A total of 47 patients with KS (43 classical, 0 African, 1 iatrogenic, 3 AIDS related) were seen in the multidisciplinary clinic. Out of this group, 17 patients (5 females and 12 males, 14 classical, 0 African, 0 iatrogenic, 3 AIDS related) with 97 KS skin sites were treated with local external beam radiotherapy. An additional 18 skin sites were treated with repeat radiotherapy. The radiotherapy dose ranged from 6 Gy in 1 fraction to 30 Gy in 10 fractions with the most common dose fractionation scheme being 8 Gy in 1 fraction or 20 Gy in 5 daily fractions. For the previously untreated KS sites, 87% responded to radiation [30% complete response (CR) and 57% partial response (PR)]. Thirteen percent of KS sites treated with radiation progressed. For the skin sites which were treated with repeat radiotherapy, 0% showed CRs, 50% PRs and 50% had continued progression. CONCLUSIONS: The majority of KS skin lesions (87%) responded to radiotherapy. Patients experience minimal side effects from the palliative radiation regimens used. KS skin lesions which progress despite radiation are unlikely to show CR with repeat radiotherapy. In our experience 50% of skin KS will have partial regression with repeat radiotherapy and 50% will have continued progression.
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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 | 0.000 | 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".