Aarhus University Hospital

Motion-related effects remain a critical source of uncertainty in proton and carbon ion therapy. Sharp dose gradients, combined with the inherent sensitivity of the particle range, make dose delivery particularly susceptible to temporal variations. This syste...

Radiotherapy dose calculation is typically based on a computed tomography (CT) scan and requires a conversion of CT numbers to the relevant physical parameter, mass density (MD) or relative electron density (RED) for photon therapy, and stopping-power ratio (...

To evaluate the CT number stability of advanced cone-beam CT (CBCT) detectors installed on C-arm linacs, across detectors and time, and assess the CBCT-based dose calculation accuracy.

Stopping-power ratio (SPR) uncertainty in proton therapy is typically estimated from computed tomography (CT) scans of adult-sized phantoms and applied to adult and pediatric patients. Adult uncertainties may not represent pediatric patients due to difference...

Clinical Trials Specialty Program