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December 2009 Briefing - Radiology

Here are what the editors at HealthDay consider to be the most important developments in Radiology for December 2009. This roundup includes the latest research news from journal articles, as well as the FDA approvals and regulatory changes that are the most likely to affect clinical practice.

Gadolinium-Based Contrast Agents Possibly Dangerous

WEDNESDAY, Dec. 30 (HealthDay News) -- In patients with renal function impairment, the use of gadolinium-based contrast agents is risky because it can lead to the development of nephrogenic systemic fibrosis, according to a study in the January issue of The Journal of Urology.

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Ultrasound Detects Shoulder Dislocation After Birth Injury

WEDNESDAY, Dec. 30 (HealthDay News) -- Ultrasound can be used to detect a posterior shoulder dislocation in infants 3 to 6 months old with a permanent brachial plexus birth injury (BPBI), according to a study in the January issue of Radiology.

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Nausea and Vomiting Found Common Heart Attack Symptoms

WEDNESDAY, Dec. 30 (HealthDay News) -- Nausea and vomiting are common symptoms of acute myocardial infarction (AMI) that occurs in both inferior and anterior AMIs, but the frequency of these symptoms are unlikely related to the infarct location, according to a study in the Dec. 15 issue of the American Journal of Cardiology.

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Method Distinguishes Benign and Malignant Breast Tumors

TUESDAY, Dec. 29 (HealthDay News) -- A new noninvasive spectroscopic method can accurately distinguish benign from malignant breast tumors based on metabolic differences, according to a study in the January issue of Radiology.

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Ultrasound-Guided Injection Can Benefit Lateral Hip Pain

TUESDAY, Dec. 29 (HealthDay News) -- In patients with gluteus medius tendinopathy, peritendinous ultrasound-guided corticosteroid injection may be an effective treatment, according to a study published in the January issue of the American Journal of Roentgenology.

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CT Preferred in Diagnosis of Pulmonary Embolism

MONDAY, Dec. 28 (HealthDay News) -- In the diagnosis of pulmonary embolism, nearly all emergency physicians and radiologists prefer computed tomography, according to a study in the January issue of the American Journal of Roentgenology.

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Claustrophobia Common Cause of Refusing Breast Screening

MONDAY, Dec. 28 (HealthDay News) -- Only about 60 percent of women at high risk of breast cancer who are undergoing regular mammography and ultrasound screenings agree to supplemental screening by magnetic resonance imaging, with claustrophobia being the most common reason, according to a study in the January issue of Radiology.

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Chemoradiation Effects Can Be Toxic for Cancer Patients

MONDAY, Dec. 28 (HealthDay News) -- Patients with head and neck cancer who receive chemoradiation therapy have substantial treatment-related adverse effects, although a current protocol is associated with fewer toxicities, according to a study in the December issue of the Archives of Otolaryngology -- Head & Neck Surgery.

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Injectable Fat Reduction Therapies in the Pipeline

FRIDAY, Dec. 25 (HealthDay News) -- There are a number of novel therapies that use injectable chemicals to reduce fat, but they are not an alternative to liposuction and none have been given regulatory approval anywhere in the world, according to a study in the December issue of Lasers in Surgery and Medicine.

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Scanner Identifies Many Coronary Artery Stenoses

WEDNESDAY, Dec. 23 (HealthDay News) -- The 64-MDCT scanner technology can accurately identify coronary artery stenoses in many (but not all) patients, according to a study in the January issue of the American Journal of Roentgenology.

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Chronic Maxillary Sinus Disease Linked to Allergy

TUESDAY, Dec. 22 (HealthDay News) -- Chronic disease of the maxillary sinuses (CDMS) is often associated with nasal allergy and may be monitored by radiography and ultrasound, according to a study in the December issue of Archives of Otolaryngology -- Head & Neck Surgery.

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Surveillance Can Reduce Treatment in Mild Hip Dysplasia

TUESDAY, Dec. 22 (HealthDay News) -- In infants with mildly dysplastic hips, active surveillance for six weeks, as opposed to immediate abduction splinting can reduce the need for treatment yet lead to similar results at 1 year of age, according to research published online Dec. 21 in Pediatrics.

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Prenatal Aspirin Not Linked to Adverse Infant Outcomes

MONDAY, Dec. 21 (HealthDay News) -- Among infants born preterm, low-dose aspirin (LDA) during pregnancy is not associated with fetal or infant deaths, infant cerebral damage, or brain development disorders, according to research published online Dec. 21 in Pediatrics.

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Risk of Neurologic Deficit Right After Spinal Surgery Low

MONDAY, Dec. 21 (HealthDay News) -- The likelihood of developing a major neurologic deficit immediately after spinal surgery is low, according to a study in the December issue of the Journal of Spinal Disorders & Techniques.

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Tool May Predict Additional Strokes Over Short Term

THURSDAY, Dec. 17 (HealthDay News) -- A tool called the recurrence risk estimator at 90 days (RRE-90), which includes clinical and imaging factors that are usually available to clinicians when patients are admitted, appears useful in predicting 90-day risk of recurrent stroke, according to research published online Dec. 16 in Neurology.

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Smoking Status Predicts Long-Term Survival After First AMI

WEDNESDAY, Dec. 16 (HealthDay News) -- Patients who quit smoking before or after a first heart attack significantly improve their odds of long-term survival, and smokers who reduce their consumption after a heart attack also have a modest survival benefit, according to a study in the Dec. 15/22 issue of the Journal of the American College of Cardiology.

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More Computed Tomography May Mean More Cancer Risk

WEDNESDAY, Dec. 16 (HealthDay News) -- The growing use of computed tomography (CT) scans will cause thousands more cases of cancer in the future, according to a study published in the Dec. 14/28 issue of the Archives of Internal Medicine, while a second study in the same issue found that the dose and cancer risk of CT scans varies widely from case to case.

Abstract - Berrington de Gonazález
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Abstract - Smith-Bindman
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Digital Radiography Rapidly Localizes Spine Level

TUESDAY, Dec. 15 (HealthDay News) -- Digital radiography is considerably faster than conventional radiography in localizing the cervical spine level during surgery, which may reduce hospital costs, according to a study in the December issue of The Spine Journal.

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Racial Disparities Seen in Breast Cancer Radiotherapy

MONDAY, Dec. 14 (HealthDay News) -- Older Caucasian women with invasive breast cancer were more likely to receive radiotherapy following surgery than women of other races, a disparity seen nationwide, according to research published online Dec. 14 in Cancer.

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Weight Loss and Exercise Can Improve Cardiac Function

MONDAY, Dec. 14 (HealthDay News) -- Exercise and losing weight improves cardiac function at any age, but some of those benefits can be lost when weight is regained, according to a pair of studies in the Dec. 15/22 issue of the Journal of the American College of Cardiology.

Abstract- Farpour-Lambert
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Abstract- de las Fuentes
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Lower Speed Limit Reduces Casualties in London

FRIDAY, Dec. 11 (HealthDay News) -- In London, the introduction of 20 mph speed zones has significantly reduced road injuries and deaths, according to a study published online Dec. 10 in BMJ.

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Prostate Cancer Detection Via Biopsy Varies by Operator

FRIDAY, Dec. 11 (HealthDay News) -- The detection rate for prostate cancer by transrectal ultrasound guided prostate biopsies varies by operator performing the procedure, but it is not clear what factors lead to the difference, according to a study in the December issue of The Journal of Urology.

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Myocardial Velocities Differ Based on Age and Gender

THURSDAY, Dec. 10 (HealthDay News) -- Left ventricle velocities determined by magnetic resonance tissue phase mapping show differences based on gender and age, according to a study published online Dec. 8 in Circulation: Cardiovascular Imaging.

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Myocardial Perfusion Imaging Judging Method Evaluated

THURSDAY, Dec. 10 (HealthDay News) -- Evaluating the appropriateness of myocardial perfusion imaging (MPI) is possible in a clinical setting using an automated system, which may help reduce imaging overuse, according to research published online Dec. 10 in the Journal of the American College of Cardiology.

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Patients Often Lack Knowledge of Their Own Medications

THURSDAY, Dec. 10 (HealthDay News) -- Patients routinely under-report, or even over-report, their outpatient and inpatient medications, and should be included in hospital medication management to improve safety, according to a study published online Dec. 10 in the Journal of Hospital Medicine.

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Algorithm Developed for Metal-on-Metal Hip Resurfacing

THURSDAY, Dec. 10 (HealthDay News) -- Ideal candidates for metal-on-metal hip resurfacing may be identified with a new algorithm, according to a study in the November supplement of the Journal of Bone & Joint Surgery.

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New Technique Effective in L5 Radicular Syndrome

THURSDAY, Dec. 10 (HealthDay News) -- In patients with L5 radicular syndrome, an ultrasound-guided L5 nerve root block using electrical nerve stimulation is safe and effective, according to a study in the Nov. 15 issue of Spine.

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Model Compares Impact of Breast Cancer Mutations

WEDNESDAY, Dec. 9 (HealthDay News) -- A computer model can help compare the impact of various treatment strategies on survival in women with mutations in the BRCA genes that increase the risk of breast cancer, according to a study published online Dec. 7 in the Journal of Clinical Oncology. In a related study published at the same time in the same journal, researchers report that BRCA mutations are associated with lower responses to fertility treatment.

Abstract - Kurian
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Abstract - Oktay
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Young Cancer Survivors Face Later Cardiovascular Risks

WEDNESDAY, Dec. 9 (HealthDay News) -- Chemotherapy or radiation therapy for cancer in childhood or adolescence substantially increases the risk of a cardiac condition later in life, according to a study published online Dec. 8 in BMJ.

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FDA Issues Recommendations to Prevent Excess CT Radiation

TUESDAY, Dec. 8 (HealthDay News) -- Following news that 206 patients at Cedars-Sinai Medical Center in Los Angeles were overexposed to radiation during computed tomography (CT) perfusion imaging over an 18-month period, the U.S. Food and Drug Administration has issued interim recommendations to help prevent similar incidents.

Press Release
Initial Notification
Issue a Voluntary Report to the FDA's MedWatch

Low X-Ray Radiation Exposure Found in Neonates

FRIDAY, Dec. 4 (HealthDay News) -- Among a group of very low-birth-weight infants treated in a neonatal intensive care unit, radiation exposure from conventional radiographs was low compared to yearly natural background radiation, according to research published in the December issue of Pediatrics.

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Research Finds Exercise Helps Men With Prostate Cancer

FRIDAY, Dec. 4 (HealthDay News) -- An exercise program improves muscle mass and strength, function, and well-being in men with prostate cancer undergoing androgen suppression treatment, according to a study published online Nov. 30 in the Journal of Clinical Oncology. In another study published at the same time in the same journal, researchers identify risk factors for impaired fertility in male survivors of childhood cancers.

Abstract - Galvao
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Abstract - Green
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Hysterectomy Linked to Better Cervical Cancer Survival

FRIDAY, Dec. 4 (HealthDay News) -- Radical hysterectomy may provide better survival outcomes compared with radiation in women with early-stage cervical cancer whose tumors are less than 6 cm in diameter, according to a study in the November issue of the American Journal of Obstetrics & Gynecology.

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Contrast Medium Can Increase DNA Breakage in CT Scan

THURSDAY, Dec. 3 (HealthDay News) -- The use of contrast medium (CM) in computed tomography (CT) scanning can significantly increase DNA double-strand breaks (DSBs) in the peripheral blood lymphocytes, according to a study in the December issue of Radiology.

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Volume CT Scans May Improve Lung-Cancer Workups

WEDNESDAY, Dec. 2 (HealthDay News) -- In patients at high risk for lung cancer, volume computed tomography (CT) scanning of non-calcified pulmonary nodules over time may provide important diagnostic information, according to a study in the Dec. 3 New England Journal of Medicine.

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Mutation Classes Linked to Cystic Fibrosis Outcomes

WEDNESDAY, Dec. 2 (HealthDay News) -- In cystic fibrosis patients, the classification of severity of mutations that is applied to the pancreas may also help predict pulmonary outcomes, according to research published in the December issue of Radiology.

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Short-Term Follow-Up Enough for Some Benign Breast Lumps

WEDNESDAY, Dec. 2 (HealthDay News) -- Women with palpable breast lesions with benign imaging features can be given short-term follow-up and have similar outcomes to those who undergo biopsy, according to a study in the December issue of the American Journal of Roentgenology.

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Morphologic Changes Gauge Liver Cancer Therapy Response

TUESDAY, Dec. 1 (HealthDay News) -- A method to assess the effect of chemotherapy on liver tumors based on morphologic changes observed on computed tomography (CT) was found to be significantly associated with pathologic response as well as with patient survival, according to a study in the Dec. 2 Journal of the American Medical Association.

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Women Researchers Lag Behind Men in Grant Awards

TUESDAY, Dec. 1 (HealthDay News) -- Female physicians with a proven interest in research are less likely to receive prestigious research grants from the National Institutes of Health (NIH) than are male physicians, according to a study in the Dec. 1 issue of the Annals of Internal Medicine.

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Consideration of Competing Events Important for Survival

TUESDAY, Dec. 1 (HealthDay News) -- Several risk factors may help predict the chances of competing mortality -- or death from non-cancer causes -- in patients with head and neck cancer, according to research published online Nov. 23 in the Journal of Clinical Oncology.

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Physician's Briefing
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