Soft-tissue fiducial markers for IGRT — prostate, liver, lung, pancreas. Anchoring vs migration evidence. Curated daily from Europe PMC (PubMed + PMC + preprints) and OpenAlex — free-full-text link on each open-access paper.
Kaczynska A, Jin F, Stewart M, Kipritidis J et al.
Objective.Real-time six-degree-of-freedom (6DoF) tumour motion monitoring is important for accurate stereotactic body radiotherapy (SBRT) of thoracic and abdominal cancer sites, yet existing approaches either require specialised imaging hardware or continuous fluoroscopic imaging. This study presents the development and first experimental implementation of a real-time image-gui…
Ke Xu, Matthew L. Cavuto, Kenny Malpartida-Cardenas, Marcus Pond et al.
Point-of-Care (POC) portable devices have shown significant potential for rapid pathogen identification in limited-resource settings. Colorimetric LAMP (cLAMP)-based POC nucleic acid testing is particularly promising due to its speed, sensitivity, and simple visual readout. However, there is a need for a universal, automated color detection method to improve ease of use and red…
Moran M, Jamaluddin MF, Lyons CA, O'Cathail SM et al.
ObjectivesA multitude of differing clinical practice exists for prostate radiotherapy, this includes dose prescription, planning methods, asymmetric margins and the presence, or not, of fiducial markers. Institute specific CTV to PTV margins expansion is desirable for optimum treatment of patients. Margins can be determined by assessing geometric errors inherent in radiotherapy…
Breath-hold (BH) techniques reduce respiratory motion and planning margins in thoracic and abdominal radiotherapy, but residual motion during BH can still compromise targeting accuracy. Direct tumor tracking remains technically challenging for many abdominal sites; tracking the diaphragm, which may correlate with implanted fiducial markers, could provide a practical surrogate. …
Moviglia J, Kuntz L, Kehrein F, Herrmann UF et al.
Image-guided intervention (IGI) systems support anatomical registration and real-time instrument tracking during minimally invasive procedures. Existing robotic and navigation solutions are often single-modality, costly, or have limited MRI compatibility. This study presents a cost-effective monocular near-infrared (NIR) tracking system for IGI across multiple modalities while …
ObjectivesTo compare the dosimetry and robustness of two Radixact Synchrony lung stereotactic body radiotherapy (SBRT) tracking strategies: tumour-based lung tracking with respiratory modelling (LwR) and fiducial-based tracking with respiratory modelling (FwR).MethodsTen stage I non-small-cell lung cancer patients were retrospectively analysed. SBRT plans (42 Gy in 4 fractions)…
Introduction.This study aims to generate synthetic-magnetic resonance imaging (synMRI) for abdominal patients undergoing radiotherapy using deep inspiration breath hold (DIBH) on a conventional Linac.Methods.Extended cardiac-torso (XCAT) phantom and patient data were used to develop and test a patient-specific model to generatesynMRI. During patient simulation, 6 DIBH-MRIs and …
PurposePencil beam scanning proton therapy of hepatocellular carcinoma (HCC) may reduce the risk of radiation-induced liver disease compared to photon radiotherapy, but tumor motion and anatomical changes can distort the dose. This was investigated through daily reconstruction of the delivered dose in a clinical trial of gated HCC proton therapy.Methods and materialsSixteen pat…
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