Radiology News
GAO numbers overstate growth in medical imaging
May 4, 2010 -- SAN DIEGO - Imaging growth in the U.S. hasn't risen nearly as dramatically as the government says it has; in fact, it's been pretty flat, according to researchers who presented a study on the topic on Monday at the American Roentgen Ray Society meeting.
HDCT with ASIR recon sharpens low-dose abdominal images
May 4, 2010 -- High-definition CT (HDCT) combined with adaptive statistical iterative reconstruction (ASIR) is a good way to diagnose abdominal conditions at very low radiation doses, according to researchers from Hong Kong.
Flexible sigmoidoscopy of dubious value after VC
May 4, 2010 -- The yield of additional pathological findings was quite low in a group of symptomatic patients who underwent flexible sigmoidoscopy after virtual colonoscopy screening, according to a poster presentation at this week's Digestive Disease Week meeting in New Orleans.
Young adults face higher CT radiation risk than seniors
May 4, 2010 -- Age has a lot to do with the estimated radiation risk of developing cancer as a result of having an abdominal or pelvic CT scan. Senior citizens have half the risk of young adults, a research team told attendees at the American Roentgen Ray Society annual meeting being held in San Diego this week.
Radiologists may be prone to work-related injuries
May 3, 2010 -- Thanks to a lack of attention paid to developing comfortable and ergonomic work spaces, radiologists appear susceptible to work-related musculoskeletal symptoms, according to research presented Monday at the American Roentgen Ray Society meeting in San Diego.
Breast MRI improves cancer staging for newly diagnosed women
May 3, 2010 -- Contrast-enhanced breast MRI finds breast lesions missed on mammography and ultrasound, and can help surgeons plan the best surgical treatment, improving patient outcomes, according to a study presented at the American Roentgen Ray Society meeting this week in San Diego.
Valkyrie software rides to rescue of CT radiation dose dilemma
May 3, 2010 -- An automated software algorithm called Valkyrie that extracts radiation dose information from CT exams and tracks it automatically may help imaging sites better follow patient radiation exposure and avoid overdoses, according to a study presented this week at the American Roentgen Ray Society meeting in San Diego.
PET can help clarify dementia diagnoses
May 3, 2010 -- A study presented at last month's American Academy of Neurology annual meeting showed that adding PET to the clinical investigation of atypical or unclear dementias led to a change of 29% of the initial diagnoses.
Study questions daily chest x-rays for intensive care patients
April 30, 2010 -- Physicians may want to more closely consider the rationale for ordering routine daily chest radiographs on mechanically ventilated patients who lack specific clinical indications that recommend imaging, according to a study published in the May issue of Radiology.
CAD, PACS pairing boosts lung nodule detection, saves time
April 30, 2010 -- The use of computer-aided detection (CAD) technology as a concurrent reader on PACS workstations can improve the performance of inexperienced readers in detecting lung nodules, according to a study from Catholic University in Rome.
Investigational PET agent shows promise for breast cancer
April 30, 2010 -- A new PET imaging agent radiolabeled with the positron-emitting isotope gallium-68 is showing early success in detecting stem cell-like tumor cells in patients with breast cancer, according to a study by researchers from Texas.
FDG-PET uptake linked to risk of acute aortic dissection
April 30, 2010 -- Researchers in Japan have found that uptake of FDG in PET/CT scans of acute aortic dissection is significantly associated with an increased risk of rupture and poor patient outcomes, according to a new study published in the May issue of the Journal of Nuclear Medicine.
Conn. breast density law causes conundrum for mammo sites
April 29, 2010 -- A new Connecticut law that mandates that women undergoing mammography be informed of their breast tissue density rating could spark increased use of ultrasound for breast cancer screening. But are radiologists ready for the additional workload if similar legislation spreads across the U.S.?
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