Latest Talking point
Talking point RSS feedCalculation uncertainties undermine dose verification
May 8, 2012
Large uncertainties in calculating the production rate of positron emitters in proton beams undermine PET-based particle therapy verification, explains Frank Verhaegen.
EIT: where is it now and what lies ahead?
Apr 25, 2012
A new review paper examines the current status of electrical impedance tomography, how the technique should be progressed and how best to achieve these developments.
CERN: catalysing collaboration for medical advances
Mar 26, 2012
The ICTR-PHE conference in Geneva saw clinicians and physicists come together to help transfer the benefits of basic scientific research to medicine.
Future prospects for proton therapy
Mar 5, 2012
Technology developments required to optimize tomorrow's proton therapy installations include "five highs and one low", said PSI's Marco Schippers.
Turkey bolsters isotope supplies
Feb 9, 2012
A new facility is about to open outside Ankara that is designed to end Turkey's dependence on importing expensive isotopes for medical use. Michael Banks takes an exclusive tour of the project.
MRI safety: accidents are not inevitable
Jan 10, 2012
With MRI accidents on the increase, what's really needed is a uniform set of MRI safety standards that apply to all providers and which are enforced. Tobias Gilk explains.
SPECT offers big benefits for imaging small animals
Dec 19, 2011
Video report: Freek Beekman describes how high-resolution SPECT systems play an invaluable role in small-animal imaging.
Image guidance: the way forward for radiotherapy
Dec 9, 2011
Video report: Uwe Oelfke explains how image guidance can address the challenges of motion during radiotherapy.
The low-down on molecular imaging
Dec 1, 2011
Video report: Simon Cherry discusses recent progress in molecular imaging and examines how these techniques are increasingly being translated to the clinic.
Laser-based acceleration: designs on proton therapy
Nov 10, 2011
The LIGHT collaboration is investigating laser-based particle acceleration for applications such as proton therapy. Project leader Markus Roth from TU Darmstadt discusses recent progress.
DGRT: it's the dose that matters
Oct 11, 2011
Dose-guided radiation therapy shifts the emphasis from patient positioning to dosimetric considerations, explains UCSF's Jean Pouliot.
Ultrasound tackles radiotherapy guidance
Sep 19, 2011
Ultrasound imaging could provide real-time, soft-tissue visualization during radiotherapy delivery.
Five years on: advances in proton therapy
Aug 25, 2011
How have proton therapy systems and techniques progressed over the five years since the launch of medicalphysicsweb?
Five years on: advances in radiation therapy
Jul 28, 2011
In the five years since the launch of medicalphysicsweb, which technology advances have made a significant impact in the application of radiation therapy?
SRS and SBRT: safety first
Jun 28, 2011 (1 comment)
Stereotactic radiosurgery and stereotactic body radiation therapy come with tight margins of error and require robust quality assurance. Timothy Solberg explains how institutes can best meet these requirements.
Small-animal irradiation: precision platforms emerge
Jun 6, 2011
Research platforms for small-animal irradiation should play a central role in the development of new radiotherapy modalities. Frank Verhaegen of the Maastro Clinic examines the emergence of such systems.
MRI-linac: a progress update
May 13, 2011
Researchers at the University Medical Center Utrecht are developing an integrated MRI-linac for real-time image guidance during radiotherapy. Project leaders Jan Lagendijk and Bas Raaymakers discuss the system's progress.
Magnetic particle imaging: x-space options
Apr 27, 2011
The second article in our two-part series on magnetic particle imaging takes a look at the evolution of x-space MPI.
Magnetic particle imaging: moving ahead
Apr 12, 2011
In the first of a two-part series on magnetic particle imaging, we examine the latest developments in MPI hardware and nanoparticle design.
Small field dosimetry: challenges and progress
Mar 8, 2011
As radiation treatments increasingly employ small fields, there's a growing need to address the challenges associated with small field dosimetry. Mania Aspradakis and John Byrne explain.