ArticleJournal of applied clinical medical physics2024
Efficacious patient-specific QA for Vertebra SBRT using a high-resolution detector array SRS MapCHECK: AAPM TG-218 analysis.
Article in Journal of applied clinical medical physics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Clinical assessment of dedicated SRS detector for dose verification in SBRT/SRS treatment plans: to establish clinical threshold with AAPM TG-218 recommendation.Irish journal of medical science · 2026Article
- Efficacy and clinical use of novel high-resolution EPID-based 2D and 3D automated patient-specific quality assurance for SRS and SBRT patients.Radiation and environmental biophysics · 2026Article
- Advantages of carbon fibre-reinforced polyetheretherketone over titanium implants in spine SBRT: a phantom evaluation.Physical and engineering sciences in medicine · 2025Article
- Classification performances of two diode arrays for patient-specific quality assurance of stereotactic body radiation therapy treatments based on absolute dose measurements in phantom.Journal of applied clinical medical physics · 2025Article
- High spatial resolution dosimetry for radiation oncology with "MagicPlates," a new 976-pixel monolithic silicon detector.Journal of applied clinical medical physics · 2025Article
- Efficacious patient-specific QA for Vertebra SBRT using a high-resolution detector array SRS MapCHECK: AAPM TG-218 analysis.Journal of applied clinical medical physics · 2024Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposePatient-specific quality assurance (PSQA) for vertebra stereotactic body radiation therapy (SBRT) presents challenges due to highly modulated small fields with high-dose gradients between the target and spinal cord. This study aims to explore the use of the SRS MapCHECK® (SRSMC) for vertebra SBRT PSQA.
methodsTwenty vertebra SBRT treatment plans including prescriptions 20 Gy/1 fraction and 24 Gy/2 fractions were selected for each of Millennium (M)-Multileaf Collimator (MLC), and high-definition (HD)-MLC. All 40 plans were measured using Gafchromic EBT3 film (film) and SRSMC, using the StereoPHAN phantom. Plan complexity was assessed using modulation complexity score (MCS), edge metric (EM) (mm
resultsFilm and SRSMC gamma-pass rates showed no correlation (p > 0.05). A moderate negative correlation (R = -0.57, p = 0.01) is present between EM and SRSMC 3%/1 mm gamma-pass rate for HD-MLC plans. Both film and SRSMC accurately measured high dose gradients between the target and the spinal cord (R
conclusionOur findings suggest that universal TG-218 limits may not be suitable for vertebra SBRT PSQA. This study demonstrates that SRSMC is a viable tool for vertebra SBRT PSQA, supported by TG-218 implementation of process-based tolerance and action limits.
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