Hamish Johnston

Nuclear Medicine
NEA: Medical isotope shortages could become commonplace
Supply shortages of molybdenum-99 could become commonplace over the next decade unless longer-term actions are taken, concludes a report from the Nuclear Energy Agency (NEA) of the Organization for Economic Cooperation and Development.
December 30, 2010
2010 12 30 13 10 03 818 Pw Isotopes 250
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Shoulder Joint 400
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An AI algorithm showed success in providing accurate, real-time guidance for shoulder imaging.
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Practice Management
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Could AI help standardize MSK ultrasound?
By Amerigo Allegretto
An AI algorithm showed success in providing accurate, real-time guidance for shoulder imaging.
March 27, 2026
Shoulder Joint 400
Researchers to develop 'patient-centered' imaging assessment tool
By Kate Madden Yee
The instrument will allow clinicians to "compare diagnostic strategies on patient-relevant endpoints," researchers noted.
March 27, 2026
X Ray Radiography Tech Patient
Hill Day 2026 highlights weight of imaging data in biomedical research
By Liz Carey
"All of us are frustrated with the gap between what patients receive on a routine basis and where the research community is ..."
March 27, 2026
Radiologist Pamela Woodard Academy President Hill Day 2026
Women's Imaging MinnieCast, Episode 5: Could CEM sub for MRI?
By Amerigo Allegretto
Wendie Berg, MD, PhD, discusses the current state of contrast-enhanced mammography (CEM) and co-founding DenseBreast-info.org.
March 27, 2026
Berg, Wendie Minnie Cast Thumbnail
PET reveals disease activity in autoimmune encephalitis
By Will Morton
PET revealed brain region-specific astrogliosis corresponding to clinical manifestations and disease severity.
March 26, 2026
(A) Overview of study participants with different clinical phenotypes depicted in distinct colors: Limbic encephalitis (LE)/temporal lobe epilepsy (TLE): Blue; cerebellar ataxia (CA): Green; stiff person syndrome (SPS): Red, including overlapping clinical features with an overview of the analyzed parameter; generated in Biorender. (B) F-18 F-DED uptake, as visualized by SUVr with global mean scaling, is shown for three representative patients with GAD65-AIE: Patient #6 with LE/TLE, showing mesiotemporal F-18 F-DED uptake; patient #16 with overlapping clinical features of CA, SPS, and LE, showing both mesiotemporal and cerebellar F-18 F-DED uptake; and patient #17 with isolated SPS showing no increased F-18 F-DED uptake. Additionally, the average F-18 F-DED uptake of eight controls is shown on the right.
Mammography use declining among some groups of women
By Amerigo Allegretto
Non-Hispanic white, Asian, and uninsured women ages 40 to 49 years used mammography less between 2010 and 2022.
March 26, 2026
Mammography Tech Woman 400
Novel AI-enhanced MRI algorithm helps assess left ventricular function
By Kate Madden Yee
A study's findings could improve imaging results for patients with arrythmia.
March 26, 2026
Representative images of participants with difficulty with breath holding and arrhythmia. In the lower right corner of A–L, the position coordinates of the images are marked. Short-axis (SA) view images in the end-systole (A–F) and end-diastole (G–L) phases in participants with atrial fibrillation. (A–C, G–I) Balanced steady-state free precession (bSSFP) cardiac cine. (D–F, J–L) Deep learning–enhanced compressed sensing (AI-CS) single-shot cardiac cine. In contrast to AI-CS single-shot cardiac cine, endocardial contours were challenging to identify on conventional segmented cine in midventricular and apical sections. (M) Line graph of time curve during the whole cardiac cycle obtained from bSSFP cardiac cine. (N) Line graph of time curve during the whole cardiac cycle obtained from AI-CS single-shot cardiac cine. LV = left ventricle; 2D = two-dimensional.
Sclerotherapy spares ovarian reserve without loss of therapeutic efficacy
By Kate Madden Yee
The results offer evidence that supports sclerotherapy as an ovary-sparing alternative to surgery for selected patients.
March 25, 2026
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Technologist aides may support IR procedures amid staffing shortages
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Radiologic technologist aides who were trained in sterile technique and ultrasound setup could support IR services.
March 25, 2026
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Can AI reduce malpractice risk for radiologists?
By Liz Carey
Radiologist takes proactive approach facing new era of AI-assisted medicine.
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Tailoring breast radiotherapy to women's risk leads to success
By Amerigo Allegretto
Many women don't have breast cancer recurrence after receiving radiotherapy following initial treatment, a study showed at EBCC15.
March 24, 2026
Radiotherapy 400
Study finds that AI fails to speed lung cancer diagnosis
By Will Morton
AI prioritization of chest x-rays requested by U.K. primary care had no significant impact on the lung cancer pathway.
March 24, 2026
Lung Ai
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