Cynthia E. Keen

Digital X-Ray
Medical groups tell Congress more radiation rules are needed
In part 2 of our coverage of the February 26 medical radiation hearings in Congress, we report on the testimony of medical groups representing radiology and radiation oncology, who tackled the issue of rising patient exposure head-on, telling lawmakers that more regulation is needed.
February 28, 2010
2009 03 25 14 14 33 939 Capitol Hill 70
Radiation Oncology/Therapy
Split-course RT aids advanced lung cancer patients
Radiation therapy (RT) may provide relief to patients with unpleasant chest symptoms from advanced non-small cell lung cancer if they can tolerate the treatment. But those who could benefit the most may not be strong enough to complete a course of palliative radiation therapy.
February 28, 2010
Digital X-Ray
Congress surprised at lack of medical radiation oversight
Federal lawmakers expressed surprise at the lack of regulatory oversight over medical uses of radiation at hearings in the U.S. Congress. While everyone in attendance agreed that the current regulatory environment needs fixing, the thorny question is how to go about doing it.
February 25, 2010
Radiation Oncology/Therapy
RT plus chemo can preserve larynx in head and neck cancer
Induction chemotherapy followed by radiation therapy (RT) has produced good outcomes in larynx preservation for patients with advanced head and neck cancers, according to data presented this week at the Multidisciplinary Head and Neck Cancer Symposium in Chandler, AZ.
February 25, 2010
CT
Study finds wide variations in global pediatric CT dose
A new report published this month offers good news and bad news regarding pediatric CT radiation dose in developing countries. The bad news: Pediatric CT dose varies widely internationally, and some sites have been using adult protocols on children. The good news: Education can spur CT sites to change their ways.
February 24, 2010
CT
Image Gently achieves global reach by 2nd anniversary
The Image Gently campaign reached its second birthday last month, and while no official parties were held, there are plenty of reasons for children to celebrate. Image Gently has evolved from a modest, volunteer-driven initiative focused on North America into a global movement to raise awareness of radiation dose.
February 24, 2010
2009 08 10 16 52 52 222 Im Gen Logo 70
Pediatric Radiology
AuntMinnie.com Pediatric Imaging Insider
February 21, 2010
Digital X-Ray
DR summit yields Image Gently CR/DR campaign, ACR dose registry
The Alliance for Radiation Safety in Pediatric Imaging has expanded the scope of its global Image Gently campaign to include computed radiography (CR) and digital radiography (DR) exams. The new initiative was formally launched -- along with a new American College of Radiology DR dose registry -- at a DR summit earlier this month.
February 21, 2010
Digital X-Ray
Image breech babies twice for hip dysplasia, study suggests
A new study published in this month's issue of Journal of Children's Orthopaedics indicates that breech babies at risk of hip dysplasia might benefit from an extra imaging exam beyond what's recommended by current clinical guidelines.
February 14, 2010
MRI
Case report: Imaging tracks course of H1N1 in girl
Texas researchers have published a case report demonstrating how medical imaging exams offer insight into the physiological changes wrought by the H1N1 virus in a 12-year-old girl who died of the disease.
February 11, 2010
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Top Stories
Dexa
Digital X-Ray
3D DEXA reveals lower bone density in diabetes patients
3D DEXA revealed differences that conventional bone mineral density measurements did not detect.
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
2025 08 21 Ajr Li Figure3 A Thumbnail
CT
'Habitat' AI model helps stratify lung nodule disease risk on LDCT
More in Home
AI successful in replacing radiologist in double-reading settings
By Amerigo Allegretto
AI could lead to lessened workloads and increased consensus discussions in a real-world setting involving double reading of screening mammograms.
December 2, 2024
Rsna 2024 Thumb
Stone countertop workers at risk of silicosis
By Amerigo Allegretto
CT imaging shows that engineered stone countertop workers are at risk of developing the lung disease silicosis.
December 2, 2024
Contrast-enhanced chest CT shows upper predominant fibrosis/lung scarring (red oval), solid masses adjacent to a left-sided pneumothorax (yellow oval) and diffuse silicotic nodules (purple circle). This patient had a history of working in the countertop-cutting industry (15 years), smoking cigarettes (10 pack years), and active tuberculosis (treated 7 years prior and excluded at the time of this image with laboratory testing). Image courtesy of the RSNA.
Characterizing body fat with MRI helps predict Alzheimer's risk
By Kate Madden Yee
Characterizing an individual's type of body fat using body MRI can help predict Alzheimer's disease risk up to 20 years before symptoms manifest.
December 2, 2024
Comparison of cerebral blood flow in 65 cognitively normal midlife individuals showed that individuals with obesity and high visceral adipose tissue have reduced blood flow in the temporal and parietal regions of the brain. Images courtesy of the RSNA.
New approach to dysanapsis could enhance early COPD screening
By Liz Carey
A new way to identify a discrete form of dysanapsis could help clarify disproportionate growth between size of the airway tree and lung size.
December 1, 2024
Lung Disease Aguilera Rsna
Deep learning boosts myocardial function assessment on CCTA
By Kate Madden Yee
Deep learning improves coronary CT angiography's (CCTA) ability to quantify myocardial function.
December 1, 2024
Heart Plaque
FAPI-PET/CT shows promise in diagnosing breast cancer
By Will Morton
Gallium-68 fibroblast activation protein inhibitor (FAPI) PET/CT shows promise for detecting primary and metastatic breast cancer.
December 1, 2024
Breast Cancer
Majority of women welcome AI into breast cancer screening
By Amerigo Allegretto
Many women are optimistic about AI's use in breast cancer screening.
December 1, 2024
Ottavia Battaglia, MD, a radiology resident at the Istituto Europeo di Oncologia (IEO) in Milan, Italy, discussed her team's findings at RSNA 2024, showing that the majority of women are optimistic about AI's use in breast cancer screening.
AI scoring helps streamline mammo turnaround times
By Amerigo Allegretto
AI scoring could help streamline mammography turnaround times, mitigating the impact of staff shortages in breast imaging.
December 1, 2024
Gopal Vijayaraghavan MD, from UMass Memorial Health in Worcester, MA, discussed his team’s findings at RSNA 2024 on how AI can prioritize mammography interpretation lists to reduce turnaround times.
Siemens broadens photon-counting CT portfolio
By Erik L. Ridley
Siemens is introducing a new dual-source scanner and a single-source system as part of its new Naeotom Alpha class of photon-counting systems.
December 1, 2024
Naeotom Alpha.Pro dual-source CT scanner. Image courtesy of Siemens Healthineers.
Radiology practices can make breastfeeding more accessible for returning mothers
By Amerigo Allegretto
Radiology practices can create a more welcoming environment for radiologists who breastfeed.
November 27, 2024
Breast Self Exam2 400 (3)
Soccer heading can cause more brain damage than previously thought
By Kate Madden Yee
Diffusion MR imaging suggests that soccer heading may cause more damage to the brain than previously thought, according to study results presented at RSNA 2024.
November 27, 2024
Soccer Ball Woman Heading
Inquest into neonatal death highlights ultrasound errors
By Philip Ward
A radiologist and a sonographer failed to diagnose critical conditions in two pregnant women, including a twin baby who died three days after birth, a report has revealed.
November 27, 2024
Digital Justice Scales
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