Trigger-based adaptive proton therapy improves coverage and cardiac sparing in esophageal cancer
Adaptive IMPT improved cumulative target coverage and reduced heart dose without increasing lung dose in a 192-patient retrospective cohort.
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Technical relevance
Automated Oncentra QA combined integrity checks with independent HDR dose verification
An automated cervical brachytherapy QA system detected preset planning errors and achieved 98.7% mean gamma agreement with Oncentra.
New reconstruction algorithm substantially reduced stack artifacts in breathing-adaptive 4DCT
ZeeFree improved 4DCT image quality and anatomical correctness during irregular breathing without degrading already artifact-free scans.
Feature selection strongly affected radiomics prediction of xerostomia after head-and-neck RT
T1 MRI with R-MRmr reached AUC 0.96 for early xerostomia, while late sticky-saliva prediction remained substantially weaker.
GammaTile produced reproducible SFRT-like dose heterogeneity after brain metastasis resection
Across 18 postoperative brain metastasis cavities, GammaTile generated consistent peak–valley heterogeneity, with the nominal 60 Gy prescription approximating D90.
Deep-learning nomogram reproduced 3D treated volume for prostate HDR brachytherapy QA
A 3D deep-learning nomogram predicted the clinical prescription isodose with high spatial agreement, adding geometry-aware verification to post-plan QA.
Respiratory traces predicted treatment-day heart dose drift during post-mastectomy DIBH VMAT
Routine DIBH respiratory traces predicted fraction-level mean heart dose deviation, but LAD dose estimates were substantially less reliable.
FDG PET/CT improved nodal contour reproducibility over MRI in stage II–III breast cancer
Semi-automated FDG PET/CT produced more reproducible nodal target volumes than manual MRI and identified all metastatic nodes consistently.
AI halved OAR contouring time but serial organs still required careful review
AI reduced six-OAR contouring workflow from about 20 to 9.5 minutes, while spinal cord and brainstem differences remained clinically relevant.
Ultrasound probe sparing preserved target coverage in photon cardiac radioablation plans
Photon STAR plans kept an echocardiographic probe below 1 Gy without compromising target coverage, although low-dose spread increased modestly.
OSTEO produced reproducible plan review for osteoarthritis low-dose radiotherapy
A five-point framework standardized knee osteoarthritis LDRT plan assessment, with high agreement among four radiation oncologists.
Proton FLASH requires dedicated reassessment of shielding, activation and radiation safety
Five proton centres outline why conventional radiation protection workflows cannot simply be assumed adequate for ultra-high dose-rate FLASH research.
Proton STAR workflow proved technically feasible for refractory ventricular tachycardia
A preclinical proton STAR workflow achieved benchmark-level target coverage, OAR sparing and cardiac gating latency below 30 ms.
Target-volume model predicted HyTEC-based SRS prescriptions before plan generation
A model using target volume and HyTEC limits estimated automated SRS prescription doses with approximately 1.3% mean absolute error.
Motorized sagittal 3D ultrasound reduced scan variability in prostate HDR brachytherapy
Motorized probe rotation improved sagittal 3D ultrasound consistency and eliminated significant inter-operator variability seen with manual acquisition.