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Record W3211549278 · doi:10.1201/9781003167464-33

Hypofractionated Stereotactic Radiosurgery for Brain Metastases

2021· book-chapter· en· W3211549278 on OpenAlexaff
Michael H. Wang, Sten Myrehaug, Hany Soliman, Chia‐Lin Tseng, Jay Detsky, Zain Husain, Mary Jane Lim-Fat, Sunit Das, Nir Lipsman, Simon S. Lo, Lijun Ma, Mark Ruschin, Arjun Sahgal

Bibliographic record

Venuenot available
Typebook-chapter
Languageen
FieldMedicine
TopicBrain Metastases and Treatment
Canadian institutionsHealth Sciences CentreSunnybrook Health Science Centre
Fundersnot available
KeywordsRadiosurgeryMedicineMedical physicsNuclear medicineRadiologyRadiation therapy

Abstract

fetched live from OpenAlex

Hypofractionated stereotactic radiotherapy (HSRT) with modern image-guidance is a method for the treatment of brain metastases, which differs technically and radiobiologically from traditional single-fraction stereotactic radiosurgery (SRS). HSRT is based on a non-invasive mask-based treatment platform, and fractionates stereotactic intracranial treatment into 5 or fewer fractions. The intent of HSRT is to maximize the therapeutic ratio by enabling safe and effective treatment of large brain metastases, for re-irradiation of brain metastases, and for those metastases in close proximity to (or within) critical organs-at-risk that would normally preclude effective single-fraction SRS. In this review, we first summarize the current state of knowledge with respect to the epidemiology and treatment of brain metastases. Next, we discuss the rationale for HSRT and present the evidence supporting HSRT for the treatment of large intact brain metastases. Then, we discuss the evidence for treating post-operative brain metastases cavities with HSRT. Lastly, we present the evidence for multi-staged HSRT for brain metastases as a novel alternative to standard daily HSRT.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: none
Teacher disagreement score0.017
Threshold uncertainty score0.058

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0170.013

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.

Opus teacher head0.048
GPT teacher head0.297
Teacher spread0.249 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreOther

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".

Quick stats

Citations0
Published2021
Admission routes1
Has abstractyes

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