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Talking Point

Calculation 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.

Research & Innovation news

Nanoparticles deliver drugs to injured brain

Nanoparticles facilitate the transport of large molecules across the blood-brain barrier post trauma.

Bremsstrahlung indicates ion beam range

Bremsstrahlung can be used to estimate beam range in heavy ion radiation therapy.

Nanostars target cancer cell nuclei

Gold nanoparticles in the shape of "nanostars" can carry drugs directly into the nucleus of a cancer cell.

QA records shed light on patient errors

Analysis of QA data reveals how the frequency and nature of errors has changed with the introduction of new technologies.

JAMA paper reignites APBI debate

The debate over the effectiveness of breast cancer treatment with accelerated partial-breast irradiation has resurfaced.

Aperture boosts benefits of scanned protons

Use of a patient-specific aperture during pencil-beam scanning proton therapy can reduce out-of-field dose and further improve normal tissue sparing.

Synchrotron delivers full spectrum of ions

A rapid cycling synchrotron can provide a full spectrum of ion species and deliver a spread-out Bragg peak longitudinally across the tumour in one shot.

Innovation: patent applications review

Our survey of the latest international patent applications in radiation therapy reviews filings from Varian, InSightec, Sordina and more.

Dielectric data for pregnancy-related tissues

Measuring the dielectric properties of rat foetuses helps model the biological effects of exposure to electromagnetic fields.

Comp Plan eases treatment planning studies

The Comp Plan software package can easily calculate dose and radiological metrics from dose-volume histograms.

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Physics in Medicine & Biology

EDITOR'S CHOICE


Our pick of the best articles recently published in the journal Physics in Medicine & Biology.

All free to read here

Prompt gamma imaging with a slit camera for real-time range control in proton therapy May 14, 2012

J Smeets, F Roellinghoff, D Prieels, F Stichelbaut, A Benilov, P Busca, C Fiorini, R Peloso, M Basilavecchia, T Frizzi, J C Dehaes and A Dubus 2012 Phys. Med. Biol. 57 3371

Monte Carlo study of the potential reduction in out-of-field dose using a patient-specific aperture in pencil beam scanning proton therapy Apr 30, 2012

S J Dowdell, B Clasie, N Depauw, P Metcalfe, A B Rosenfeld, H M Kooy, J Flanz and H Paganetti 2012 Phys. Med. Biol. 57 2829

Beam range estimation by measuring bremsstrahlung Apr 23, 2012

Mitsutaka Yamaguchi et al 2012 Phys. Med. Biol. 57 2843

White papers

Optimizing image quality in XVI VolumeView

A white paper from Elekta.

Verification of RapidArc plan using Epiqa software for portal dosimetry

RapidArc® QA user study from University Hospital Zurich, Switzerland and EPIdos s.r.o.

Evaluating the geometric accuracy of Elekta Axesse® for cone-beam image-guided stereotactic radiation therapy

A white paper by Hans Welleweerd, Corine A. van Es, Uulke A. van der Heide and Marco van Vulpen from the University Medical Center Utrecht in The Netherlands.

Multimedia

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ABAS 2.0

Latest treatment planning releases from Elekta

Elekta unveils its newest treatment planning and contouring systems.

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ABAS 2.0

SPECT offers big benefits for imaging small animals

Freek Beekman describes the role of SPECT in small-animal imaging.

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ABAS 2.0

Image guidance: the way forward for radiotherapy

Uwe Oelfke explains how image guidance can improve radiotherapy.

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