Medical physics Archives – Page 4 of 158 – Physics World

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Redefining radiotherapy QA: meeting the needs of modern treatment workflows

Two speakers debating radiotherapy QA

First medical X-ray images taken in space achieve diagnostic quality

Diagnostic X-ray images recorded during an orbital spaceflight exhibited similar contrast and spatial resolution to those taken preflight on Earth

Hand radiographs recorded in space and on Earth

Measuring the invisible: how internal dosimetry shapes radiation protection

Assessing the impact of radiation exposure is crucial for protecting the health of workers, but expert judgement is needed to interpret the results

Independent linac commissioning matters for radiotherapy

Photo of James Giltz

Mouldable glass screen could make mammograms clearer and much more comfortable

The inside of a memory card viewed in an X-ray image

Affordable AI-powered endomicroscope lines up for early cancer detection

The PrecisionView handheld endomicroscope

Latest webinars in medical physics

End-to-end dosimetry audit for SRS/SBRT: optional or mandatory at the beginning of the journey?

End-to-end dosimetry audit for SRS/SBRT: optional or mandatory at the beginning of the journey?

From bunkers to bright spaces: the future of smart shielded radiosurgery treatment rooms

Patient scanner

Unlocking novel radiation beams for cancer treatment with upright patient positioning

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Physics World Careers 2026 cover

Read more articles in medical physics

Easy-to-use calculation tool estimates out-of-field neutron dose during proton therapy

Python-based tool calculates the neutron dose anywhere in a proton therapy treatment room using information from the treatment plan

Neutron dose measurement points

X-ray velocimetry study earns Ronan Smith the PMB Early Career Researcher Award

Ronan Smith from Adelaide University wins Physics in Medicine and Biology award for his work on a novel imaging method that uses X-rays to track lung ventilation

Ronan Smith from Adelaide University

PET scan that detects dangerous blood clots is SNMMI ‘Image of the Year’

A PET radiotracer that can visualize deep vein thrombosis and pulmonary embolism wins the Society of Nuclear Medicine and Molecular Imaging’s most prestigious award

SNMMI image of the year

From equations to nuclear medicine: Keamogetswe Ramonaheng on building medical physics in Africa

Keamogetswe Ramonaheng discusses her life in medical physics

Keamogetswe Ramonaheng

ESTRO debate reveals rising confidence in upright proton therapy

A lively debate at the ESTRO 2026 meeting concluded with nearly 70% of the audience backing upright proton therapy as a mainstream treatment option by 2035

The debate team

Multiplexed MRI expands the power of conventional brain imaging

New MRI technique simultaneously maps multiple structural, physiological and molecular biomarkers to characterize brain tumours and multiple sclerosis lesions

Multiple biomarkers in a whole-brain MRx scan

Non-invasive MRI test could enable early detection of heart failure

A high-resolution, motion-resolved MRI method provides rapid and reliable measurement of heart oxygen consumption

Patient undergoing an MRI scan

Theranostics: building the bridge between nuclear medicine and radiation oncology

Integrated technologies from Mirion Medical can help physicists introduce theranostics into the clinic

John Sunderland

Decoupling electrical and thermal mechanisms could optimize brain tumour therapy

Experiments reveal how the electrical and thermal components of tumour treating fields contribute to glioblastoma cell death in clearly different ways

Effects of decoupled electrical and thermal fields on cell morphology and viability

Proton therapy could improve treatment options for dangerous heart rhythm disorder

Proton-based cardiac radioablation may offer a less invasive treatment for patients with hard-to-treat ventricular tachycardia

Example proton cardiac radioablation treatment plan

Report highlights challenges and opportunities for UK medical physics

Community perspective report from the Institute of Physics examines ways to overcome the barriers to translating physics research into the medical market

Medical physicists examine MRI brain scan

Multiplexed PET paves the way towards biologically individualized radiotherapy

PET scans that simultaneously image more than one radiotracer could revolutionize oncology

Illustration of multiplexed PET

Daily QA 4 Pro redefines machine quality assurance for next-generation radiotherapy

All-in-one QA platform provides an independent, interpretable alternative to vendor black-box QA

David Barbee of NYU Langone Health

Science and standards: a comprehensive guide to radiological protection

New book provides an essential guide to the science, regulatory landscape and real world practice of radiological protection

Monitoring radiation

Stanford Medicine unveils world’s first ultracompact proton therapy facility

Combining the industry’s most compact cyclotron with an upright positioning system creates a proton therapy system small enough to fit into a linac vault

Ultracompact proton therapy facility

Biomedical optics play crucial roles across medicine

Medical physicist, inventor and entrepreneur Brian Pogue is our podcast guest

Brian Pogue

Counting photons could redefine the future of CT imaging

Advanced photon-counting detectors could transform clinical imaging

MARS Bioimaging Extremity Scanner System

Spectroscopic OCT plus AI detects high-risk plaque in coronary arteries

Artificial intelligence-based optical coherence tomography could improve long-term management of patients with coronary artery disease

AI-based OCT detection of lipid-rich plaque

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