Wayne Forrest

MRI
fMRI shows where musicians get improvisational skills
Functional MR images (fMRI) show areas of heightened activity in the brains of jazz musicians as they improvise and introduce and modify melodies in response to each other's ideas, according to new study published online February 19 in PLOS One.
February 18, 2014
MRI
Study tests safety of implantable devices with 7T MRI
Although the routine clinical use of 7-tesla MRI may be several years away, researchers at Vanderbilt University have begun testing implants and other items to determine how they will react when exposed to an ultrahigh-field magnet, according to a study published in the February issue of the American Journal of Roentgenology.
February 17, 2014
MRI
AuntMinnie.com MRI Insider
February 12, 2014
Digital X-Ray
Tomosynthesis nearly equals MRI for rheumatoid arthritis
Digital tomosynthesis is nearly as good as MRI for detecting signs of rheumatoid arthritis, and both are much better than the reference standard, conventional radiography, according to a new study in the February issue of the American Journal of Roentgenology.
February 10, 2014
2014 02 10 15 52 31 92 Aoki 2 C 400 20140210225901
Nuclear Medicine
FDG-PET/MRI shows advantages with malignant bone lesions
Compared to PET/CT, FDG-PET/MRI with a fully integrated whole-body scanner is "technically and clinically robust" in its evaluation of bone lesions, despite differences in attenuation correction between the two hybrid modalities, according to a study in the February issue of the Journal of Nuclear Medicine.
February 6, 2014
2014 02 06 17 40 07 614 Pet Ct Mri Eiber 01 500 20140207004334
Nuclear Medicine
FDG-PET predicts risk in patients with cardiac sarcoidosis
In a large study of patients with known or suspected cardiac sarcoidosis, researchers found that FDG-PET could identify those at higher risk of death or life-threatening arrhythmia, according to results published in the February 4 issue of the Journal of the American College of Cardiology.
February 5, 2014
Molecular Imaging
AuntMinnie.com Molecular Imaging Insider
February 3, 2014
MRI
Some cardiac MRI findings predict future heart events
Certain MRI findings can independently predict future cardiovascular events in patients with coronary artery disease or those who recently had a heart attack, but you have to be careful which ones you choose, according to a study published online January 29 in the Journal of the American College of Cardiology.
January 30, 2014
2014 01 30 17 09 48 927 Human Heart 200
MRI
Whole-body DWI-MRI could aid treatment of myeloma
Whole-body diffusion-weighted MRI (DWI-MRI) can help assess treatment response in patients with myeloma and potentially reduce the number of painful bone marrow biopsies they need to undergo, according to a study published online in Radiology.
January 28, 2014
2014 01 28 16 52 57 590 Dwi Myeloma Giles Rad Image01 20140128235750
Nuclear Medicine
Software helps rads agree when reading florbetapir PET scans
PET with the radiotracer florbetapir (also known as Amyvid) is an exciting new tool that could help determine which individuals are at risk of developing Alzheimer's disease. But reading the scans can be a challenge, so Pennsylvania researchers enlisted a software application that helped boost reader agreement.
January 26, 2014
2014 01 24 15 37 25 501 Nayate Pet Slide9 500 20140124224342
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Amputee Man Adobe Yurakrasil
MRI
MRI shows how the brain maintains 'representation' of phantom limbs
"The brain's control center for a lost appendage can persist long after surgical amputation," researchers say.
Dexa
Digital X-Ray
3D DEXA reveals lower bone density in diabetes patients
Beer Glasses Adobe Viiviien
MRI
Gadolinium in ... beer?
Ultrasound Probe Vascular
Ultrasound
MWA safe, effective in treating hyperthyroidism with nodules
Psma Pet
AI
AI model shows promise for diagnosing prostate cancer
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PCCT improves assessment of coronary artery disease
By Kate Madden Yee
Ultrahigh-spatial-resolution photon-counting detector CT (PCCT) improves the evaluation of coronary artery disease, researchers have found.
February 20, 2024
Heart Damage
Annual breast cancer screening starting at age 40 saves lives
By Amerigo Allegretto
Annual breast cancer screening starting at age 40 yields the most mortality reduction, research indicates.
February 20, 2024
Screenshot (1075)
AI spots unidentified brain tumor on PET imaging
By Will Morton
An AI algorithm designed for brain PET imaging found a glioblastoma in a patient that had gone undetected by physicians.
February 20, 2024
Baseline scan (A), segmentation results (B), and follow-up scan (C) from patient with molecular glioblastoma. Baseline MRI showed FLAIR hyperintensities in left thalamus and frontoparietal region (white arrowheads). In contrast to expert segmentation, in which only left thalamic region showed slightly increased uptake (red contour), AI algorithm identified additional frontoparietal lesion on baseline PET that subsequently progressed to contrast-enhancing and metabolically active lesion (red arrowheads). Image courtesy of the Journal of Nuclear Medicine.
MRI reveals functional brain alterations associated with depression
By Kate Madden Yee
Researchers have found that MRI reveals functional brain alterations that are associated with major depression.
February 20, 2024
Depression
How can radiologists prepare for breast density notification laws?
By Amerigo Allegretto
Lars Grimm, MD, from the Society of Breast Imaging spoke on how breast imaging facilities can best prepare for new breast density notification laws.
February 16, 2024
Screenshot (1072)
Can radiologists’ eye-tracking data enhance AI?
By Will Morton
Integrating eye-tracking data that map how radiologists interpret x-rays into deep learning AI algorithms could be key to developing more “human-centered” AI.
February 16, 2024
Difference between saccades, fixations, and attention heatmaps in radiologist eye-tracking studies. Image courtesy of the European Journal of Radiology.
PI-RADS optimizes MRI-based diagnostics for prostate cancer detection
By Kate Madden Yee
It's better to take Prostate Imaging-Reporting and Data System (PI-RADS) upgrading rules into account when it comes to deciding whether a patient with clinically significant prostate cancer needs a biopsy, researchers have reported.
February 15, 2024
Prostate Cancer
PET links tau pathology to speech changes in unimpaired patients
By Will Morton
Brain pathology associated with Alzheimer’s disease in cognitively unimpaired adults appears to be linked to speech changes.
February 15, 2024
Tau
ADC optimal cutoff reduces MRI-prompted breast biopsies
By Amerigo Allegretto
Applying point-of-care apparent diffusion coefficient (ADC) cutoffs from diffusion-weighted imaging could reduce MRI-prompted breast biopsies.
February 15, 2024
Apparent diffusion coefficient (ADC) measurements for benign and malignant BI-RADS category 4 or 5 lesions at MRI. (A, B) Benign BI-RADS category 4 lesion in a 55-year-old woman. (A) Dynamic contrast-enhanced MRI (DCE-MRI) scan shows a 12-mm, oval, circumscribed, homogeneous mass in the right posterior breast (arrow). (B) On the diffusion-weighted image, the lesion shows high diffusivity (arrow), with an ADC of 2.04 × 10-3 mm2/sec. Biopsy revealed benign fibroadenoma. (C, D) Malignant BI-RADS category 4 lesion in a 41-year-old woman. (C) DCE-MRI scan shows a 24-mm irregular, heterogeneous mass at the 3 o’clock position in the left breast (arrow). (D) On the diffusion-weighted image, the lesion demonstrates low diffusivity (arrow), with an ADC of 0.91 × 10-3 mm2/sec. Biopsy revealed invasive ductal carcinoma. All MRI scans are shown in the axial plane. (E) Box plot shows ADC measurements for 240 BI-RADS 4 and 5 lesions (63 malignant and 177 benign). Both prespecified optimal and conservative ADC cutoffs are indicated on the plot for reference: 1.53 × 10-3 mm2/sec (dashed line) and 1.68 × 10-3 mm2/sec (dotted line), respectively. All ADCs were calculated with maximum b value of 800 sec/mm2. The midline of each box shows the median value, and the box extends from first to third quartiles. The whiskers extend from the first and third quartiles to the smallest and largest values, respectively, if those values are within 1.5 times the IQR. If not, the length of the whiskers is limited to 1.5 times the IQR. Image courtesy of the RSNA.
Unmet social needs tied to screening mammography use
By Amerigo Allegretto
Women's unmet social needs should be considered to better promote breast cancer screening utilization and early-stage cancer diagnosis.
February 14, 2024
Woman Anxious 400
Functional MRI shows promise for treating chronic severe tinnitus
By Kate Madden Yee
Real-time functional MRI neurofeedback therapy may be more effective for treating chronic severe tinnitus than cognitive behavioral therapy, researchers have found.
February 14, 2024
Tinnitus Ear Problems Illustration
Radiologists ‘compete’ on chest x-rays reads with and without AI
By Will Morton
In a study described as a “competition between radiologists,” participants tasked with identifying abnormal findings on chest x-rays performed better with AI assistance than without AI assistance – though not by much and not in all cases.
February 14, 2024
The AI system output the bounding boxes and labels of the lesions to assist radiologists. Image courtesy of the Journal of Imaging Informatics in Medicine.
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