Tami Freeman

MRI
Image correction enables MR-guided therapy
MRI is an excellent candidate for providing image guidance during radiation therapy, but magnetic field inhomogeneities arising from patient anatomy can lead to image distortion. A research team at the University Medical Center Utrecht in the Netherlands has developed a method for correcting such distortions.
February 3, 2011
2011 02 03 14 45 07 444 Ct Mag Field Medphys Thumb
MRI
MRgFUS system focuses on breast tumors in clinical trials
Magnetic resonance-guided focused ultrasound (MRgFUS) is under investigation for treating a range of tumors, including breast cancer. But the breast poses some unique challenges, so researchers in Utah are working to develop a treatment system tailored for breast tumor ablation.
December 26, 2010
2010 12 23 15 56 22 773 2010 12 27 M Rg Fus1
Radiation Oncology/Therapy
Motion correction reduces prostate margins
Researchers from Virginia have examined inter- and intrafraction prostate movement for a group of patients who received radiation therapy with implanted transponders. The study also simulated the effects of motion correction strategies that may be employed to improve alignment accuracy and reduce margins.
December 19, 2010
2009 01 15 16 03 49 510 Med Phys Web Logo 100
MRI
Vessel targeting enhances uterine fibroid ablation
Targeted MR-guided high-intensity focused ultrasound ablation of vessels supplying uterine fibroids could achieve complete fibroid ablation with reduced treatment times, according to a study from the Netherlands.
December 7, 2010
2010 12 07 14 45 58 325 M Vslide Thumb
Radiation Oncology/Therapy
How to build a proton therapy facility
What are the essential requirements when setting up a new proton therapy facility? It's never a simple task. At a new facility under construction in Germany, stringent clinical requirements and technical specifications called for the implementation of several innovative technology developments.
October 10, 2010
2009 01 15 16 03 49 510 Med Phys Web Logo 100
Radiation Oncology/Therapy
Image Gently rationale is applied to image-guided RT
Image guidance in radiation therapy (RT) -- be it conebeam CT positioning scans or intrafraction kilovoltage imaging of moving tumors -- offers the potential to increase targeting accuracy. The associated imaging dose delivered to the patient, however, can be cause for concern.
September 9, 2010
2009 01 15 16 03 49 510 Med Phys Web Logo 100
Radiation Oncology/Therapy
New Monte Carlo sources enable high-resolution simulations of RT
Advanced radiation therapy (RT) modalities employ sophisticated dose calculation engines for treatment planning. As such, Monte Carlo simulations could prove invaluable for patient-specific treatment plan quality assurance of these complex beam delivery techniques.
September 7, 2010
2010 09 07 16 06 13 531 Xyz Thumb
MRI
MRI advances reported at AAPM
MRI technology is advancing at a rapid pace, both in terms of instrumentation and applications. At the recent American Association of Physicists in Medicine (AAPM) annual meeting held in Philadelphia, attendees learned of recent advances in both of these areas.
August 8, 2010
2009 01 15 16 03 49 510 Med Phys Web Logo 100
CT
Patient safety symposium draws crowds at AAPM
PHILADELPHIA - Patient safety in radiation therapy and diagnostic imaging has always been an important concern for the medical physics community. At the American Association of Physicists in Medicine (AAPM) annual meeting taking place this week, a special symposium examined the issues surrounding patient safety and what's being done to improve it.
July 21, 2010
2009 01 15 16 03 49 510 Med Phys Web Logo 100
MRI
Modeling predicts glioma radiation therapy response
In an attempt to personalize treatment, a research team from the University of Washington has developed a mathematical model for predicting untreated glioma growth. Now, the researchers have extended the model to incorporate the effects of external-beam radiation therapy.
July 11, 2010
2010 07 09 14 25 16 843 Glioma Medphysics Radtherapy 70v2
Previous Page
Page 3 of 4
Next Page
Top Stories
Burden of PSMA-expressing prostate cancer before and after treatment with two cycles of Lu-177 PSMA-617. (A and B) Reduction in overall disease burden is evident after treatment. Avidity of patient’s primary prostate tumor and his osseous metastasis shown before (C) and after (D) treatment.
Molecular Imaging
Case report: Pluvicto as a first-line treatment in late-stage prostate cancer
Since 1996, the patient continually declined androgen deprivation therapy, chemotherapy, and local therapy to the prostate gland.
Mri Head
MRI
New brain MRI imaging technique could help identify Alzheimer's
Research Highlighter Res
Radiology Education
Scholarly activity low among residency program directors
Dexa
Digital X-Ray
3D DEXA shows value in patients with prostate cancer
Digital Innovations Shaping the Future of Radiology
Sponsor Content
Digital Innovations Shaping the Future of Radiology
More in Home
Sonography experts outline CEUS' advantages, opportunities
By Amerigo Allegretto
While CEUS growth in clinical use has been modest, sonography experts say there is reason for optimism for the technique.
September 17, 2025
Ultrasound Transducer3 400
AI model uses mammograms to predict cardiovascular risk
By Amerigo Allegretto
The researchers report that the algorithm is on par with traditional cardiovascular risk equations.
September 17, 2025
Heart Artificial Intelligence Ai 400
Radiation organizations issue guidance on postmastectomy radiation therapy
By Maryam Payne
ASTRO, ASCO, and SSO have jointly issued updated guidelines on postmastectomy radiation therapy.
September 16, 2025
Radiation Therapy Suite
White-matter microstructure influences the brain’s glymphatic system
By Will Morton
The finding further supports the use of an emerging technique called diffusion-tensor imaging analysis along the perivascular space.
September 16, 2025
2025 09 16 Dti Alps Measurement Alzheimers Disease Fig2 Thumbnail
Cardiac MRI measures aid in predicting future MACE after heart attack
By Liz Carey
Left atrial minimum volume index can help predict future major adverse cardiovascular events (MACE) after acute myocardial infarction.
September 16, 2025
2025 09 16 Ami Mace Study Radiology Thumbnail
DBT plus synthesized mammo leads to less false-positive recalls
By Amerigo Allegretto
A subanalysis of the TOSYMA trial found that DBT plus synthesized mammography leads to lower false-positive recall rates compared to digital mammography.
September 16, 2025
Breast Tomosynthesis Digital Social
Disparities persist in UFE access, utilization
By Kate Madden Yee
Disparities persist across the U.S. in access to and use of uterine fibroid embolization (UFE) compared with surgical treatments.
September 16, 2025
Fibroid
DL algorithm estimates lung nodule cancer risk, reduces false positives
By Kate Madden Yee
The deep-learning (DL) tool reduced false-positive results by almost 40% and showed high cancer detection rates.
September 16, 2025
2025 09 16 Radiology Antonissen Fig4 Thumbnail
LLMs perform well on Japanese radiology board exam
By Will Morton
So far, LLMs have passed text-based radiology exams but their image interpretation capabilities have not been impressive.
September 15, 2025
Question 4 from the Japan Diagnostic Radiology Board Examination 2024, representing a clinical scenario of a man in his 30s presented with transient dysphasia. The question asks to identify the most probable diagnosis from the following options: (a) glioblastoma, (b) hemangioblastoma, (c) metastatic brain tumor, (d) oligodendroglioma, and (e) primary central nervous system lymphoma (PCNSL). The correct answer is (d) oligodendroglioma. The figure also includes a summary of responses from four large language models, along with their legitimacy scores rated by diagnostic radiologists.
CCTA reveals that CAD can occur in the absence of typical risk factors
By Kate Madden Yee
Patients without coronary artery disease (CAD) risk factors may exhibit a similar degree of coronary inflammation to those with them.
September 15, 2025
Heart Pulmonary Trunk
PET/MRI shows promise in rectal cancer
By Will Morton
F-18 FDG-PET/MRI provided superior detection of lymph nodes and tumor deposits over standard imaging.
September 15, 2025
Rectal Cancer
Neuroinflammation persists for 2 years in long COVID
By Will Morton
Increased inflammatory activity was found on TSPO-PET in some individuals with post-COVID syndrome.
September 12, 2025
2025 09 12 Long Covid Brain Images Thumbnail
Previous Page
Page 3 of 173
Next Page