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Diagnostic Radiology

News, opinions and meeting coverage in radiology.

Knee Surgery Linked to Higher OA Risk

Can meniscus repairs actually worsen joint damage?

Mammograms: Less Pain, Risk-Based Screens?

Breast cancer screening after 40, a more comfortable mammogram.

RSNA: Pituitary May Link Brain Injury and PTSD

Hormone treatment might be useful.

Atherosclerosis a Signal for Brain Drain?

Plaque burden was linked to cognitive impairment in a population-based study.

Skull Size Tied to Disability Risk in MS

BOSTON -- Multiple sclerosis patients with larger intracranial volumes -- a measure of their lifetime maximal brain size -- scored better on cognition and physical function tests than those with smaller skull sizes.

BCS: 'Jolie Effect' Drives Genetic Test Referrals

SAN FRANCISCO -- Referrals for genetic testing almost doubled in the first 6 months after actress Angelina Jolie said she would undergo bilateral mastectomy after testing positive for BRCA1 mutation.

MRI Helps ID Heart Risk in Scleroderma

LIVERPOOL -- Cardiac MRI could help provide diagnostic information about potential arrhythmogenic events among patients with scleroderma being considered for implantable cardioverter defibrillators, a researcher said here.

CT Appears Safe in Patients With Pacemakers, ICDs

Patients with cardiac rhythm management devices showed no clinically significant major or minor events related to computed tomography imaging over a 10-year period at two large-volume care centers, researchers reported.

Which Bullets Are Safe in an MRI?

Don't go ballistic -- only steel bullets will cause problems in MRI, says a study of 39 kinds of the projectiles.

FDA: Nipple Test No Substitute for Mammogram

A nipple aspirate test shouldn't take the place of mammography or otherwise be used on its own to screen for breast disease, the FDA warned.

ADHD: Brain Iron May Be Marker

CHICAGO -- Low Fe levels in the brain may signal the presence of attention-deficit/hyperactivity disorder (ADHD), researchers reported here.

Radiation Safe in Unbiopsied Lung Cancer

CHICAGO -- Treating people with stereotactic body radiation for suspected -- but unbiopsied -- lung cancers appears to allow for acceptable local control of the disease with low toxicity, researchers reported here.

New Nerve Tracer Not Ready for Routine Use?

CHICAGO -- The radiotracer iodine-123-metaiodobenzylguanidine may be a new tool for cardiac imaging, but whether it's ready for routine use in most practices was debated by nuclear cardiologists here.

Death Spurs GE to Recall Scanning System

The FDA announced on Monday a class I recall of GE Healthcare's nuclear medicine systems stemming from a patient death reported last month.

Medicare to Pay for More FDG-PET Scans

WASHINGTON -- Up to three scans using 18F-fluorodeoxyglucose-enhanced positron emission tomography technology can be covered by Medicare for oncology treatment planning, the Centers for Medicare and Medicaid Services said.

PML Not Fatal if Caught Early

SAN DIEGO - All multiple sclerosis patients taking natalizumab (Tysabri) who were diagnosed with a serious condition called PML before symptoms appeared were still alive a year later, researchers said.

Type of Contrast May Mean More Comfortable CT

CHICAGO -- Patients who underwent abdominal or pelvic CT imaging with a low-osmolar contrast agent reported more discomfort during the exam than patients who received an iso-osmolar agent, researchers said here.

Climbers Face Lasting Effects if Brain Swells

CHICAGO -- Extreme mountaineers who develop serious brain swelling at altitude appear to have lasting evidence of small hemorrhages in their brains, researchers said here.

Young Women Skip Mammo After USPSTF Recs

SAN FRANCISCO -- Rates of screening mammography among women younger than 50 declined within 2 months of a negative recommendation by the U.S. Preventive Services Task Force (USPSTF) and have remained below baseline rates, according to a study reported here.

Abuse of OTC Drug Mimics Kidney Stones

SAN DIEGO -- Stone deposits caused by abuse of an over-the-counter drug used to treat excess mucus may mimic kidney disorders, a researcher said here.

Doctors Say 45 Common Tests 'Overused'

Nine specialty groups have listed tests and treatments that are frequently overused, such as antibiotics for sinus attacks and CT scans for low back pain, in the first phase of a long-term project.

New Guideline on Transverse Myelitis Released

Certain clinical, imaging, and laboratory findings can help determine the etiology and prognosis in patients presenting with transverse myelitis, according to a new guideline from the American Academy of Neurology.

Lung Biopsy Risks Not Uncommon

Needle biopsy of suspicious lung nodules isn't as benign as often thought, according to a population-based study that quantified the risks in community practice.

Level of Diastolic Function Predicts Death

The presence of moderate or severe diastolic dysfunction in patients with preserved systolic function independently predicted mortality, a retrospective study determined.

Lab Notes: Red Wine Before Radiation and Red Clover for Hair Loss

Red is the color of the day, as components of red wine and red clover lead this week's Lab Notes, but the blues get their turn in the spotlight, too, as depressed people outshine cheerier folks in some elements of decision making.

Cardiologist Who Revealed Echo Errors Out of a Job

MILWAUKEE -- A cardiologist whose research at a national medical meeting revealed that other doctors at her hospital were misreading a substantial number of diagnostic echocardiograms has been fired by that hospital, the Journal Sentinel and 麻豆传媒 have learned.

RSNA: Radiation May Pose Less Risk in Older Patients

CHICAGO -- In an elderly population, cancer risk from CT scans may be overestimated, researchers said here.

ASCO Breast: Gamma Imaging Tops Breast Ultrasound

NATIONAL HARBOR, Md. -- Breast-specific gamma imaging (BSGI) outperformed breast ultrasound for evaluating patients with indeterminate mammograms in a retrospective comparison of the two imaging techniques, researchers reported here.

ASE: Routine 3D Echo Use Debated

SAN DIEGO -- Three-dimensional echocardiography has won many supporters but not everyone is convinced that it's ready for widespread clinical use.

ER X-Rays for Hip Fracture Often Miss or Mislead

Emergency room x-rays often miss the mark in diagnosing suspected hip and pelvic fractures, according to a retrospective review of patient records.

RSNA: Radiologists Disagree with USPSTF on Mammography

CHICAGO -- In this exclusive InFocus芒鈥灺� report, leaders of two radiology groups charge that implementing the new breast cancer screening guidelines from the U.S. Preventive Services Task Force (USPSTF) will lead to unnecessary deaths.

RSNA: Kids Still Swallow Soda Tabs

CHICAGO -- Pop-top tabs are supposed to stay on soda cans, but they may still end up in children's stomachs, a researcher said.

RSNA: Unneeded CT Series Add to Radiation Burden

CHICAGO -- More than half of patients who have abdominal computed tomography (CT) scans may be getting extra series of tests that aren't necessary and that lead to increased radiation exposure, researchers said here.

CT Safety Warnings Follow Radiation Overdose Accident

Reports of stroke patients who were accidentally exposed to eight times the normal radiation dose during diagnostic CT scans at Cedars-Sinai Medical Center in Los Angeles are prompting safety warnings and soul searching in radiology.

Abdominal Aortic Aneurysms Often Missed on CT Scans

LITTLE FALLS, N.J. -- Clinicians may miss a substantial number of new abdominal aortic dilations on CT scans, researchers have found.

RSNA: Portable CT Scan Saves Time to Save Brain in Stroke Patients

CHICAGO -- Bringing the CT to the stroke patient, rather than the other way round, dramatically reduced door-to-scan time in a community hospital, researchers said here.

RSNA: Dry-Needling Plus Steroid Effective for Plantar Fasciitis

CHICAGO -- For patients with plantar fasciitis, a notoriously difficult condition to treat, an Italian team has come up with a novel approach that uses dry-needling combined with a steroid injection, researchers said here.

MRI Accurate in Screening for Pressure on the Brain

CAMBRIDGE, England -- An MRI scan of the optic nerve sheath may provide an accurate, noninvasive way to screen for raised intracranial pressure, researchers found.

ASNC: Caffeine Screens Before Stress Tests Often Miss Positives

SAN DIEGO -- Routine screening by questionnaire for caffeine intake before pharmacologic cardiac stress testing fails to identify most patients who have detectable serum levels of the stimulant, investigators said here.

FDA Orders Black Box Warning for Gadolinium-Based Contrast Agents

ROCKVILLE, Md. -- The FDA today ordered black-box warnings for all gadolinium-based contrast agents for magnetic resonance imaging, detailing an increased risk for nephrogenic systemic fibrosis with kidney-disease patients.

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