Subspecialties: Page 1342

Diagnostic, screening VC comparable in extracolonic disease detection
By Eric Barnes
CHICAGO - At the RSNA gastrointestinal sessions, Dr. Michael Zalis from Massachusetts General Hospital in Boston presented a study that compared the performance of low-dose screening VC with its diagnostic counterpart, including their relative accuracy for the detection of extracolonic pathology.
December 5, 2004
MRI may determine which stroke-infarcted brain tissue is salvageable
By Eric Barnes
CHICAGO - In acute stroke patients, the decision to give thrombolytic therapy is a crudely calculated risk: Will tPA salvage infarcted but still-living tissue -- or merely heighten the patient's risk of bleeding? Researchers at Massachusetts General Hospital in Boston are hoping to demystify this leap of faith based on a technique that helps gauge the status of the individual infarct when therapy is being considered.
December 2, 2004
Ultrasound beats CT as second choice for pediatric chest disorders
By N. Shivapriya
CHICAGO - There is more evidence for the use of ultrasound instead of CT, with its dangers of ionizing radiation, for chest disorders in children. For many cases in which plain film is insufficient, ultrasound can be the second modality of choice instead of CT, according to research from the Rambam Medical Center in Israel.
December 2, 2004
Color Doppler US better than scintigraphy for screening RAS
By N. Shivapriya
CHICAGO - Intrarenal color Doppler ultrasonography may be the answer to finding a noninvasive and accurate method to diagnose renal artery stenosis (RAS), according to a presentation at the RSNA meeting on Wednesday.
December 1, 2004
Fonar unveils upright cardiac MRI
By AuntMinnie.com staff writers
MRI developer Fonar demonstrated the newest cardiovascular application of its Upright MRI at the RSNA show.
December 1, 2004
MRI finds breast cancers missed by mammography in high-risk women
By Peggy Peck
CHICAGO - Results of the International Breast MRI Consortium (IBMC) Trial reinforce previous studies that suggest MRI can identify breast tumors missed by mammography, but the IBMC results are not the final word on the MRI-mammography debate, according to a presentation at the RSNA meeting on Wednesday.
December 1, 2004
Pediatric chest x-rays prove problematic for rad residents
By Shalmali Pal
CHICAGO - Less experienced residents have a tendency to underestimate abnormalities in computed radiography (CR) exams, particularly those of the thoracic area, according to investigators from the University of Maryland in Baltimore.
December 1, 2004
Small size no predictor of benign renal masses
By Eric Barnes
CHICAGO - Renal masses are among the most common of incidental findings, and the increasing use of imaging in recent years has produced a fool's bounty of indeterminate lesions. Fortunately most are benign, and further evaluation is often reserved for masses 6 mm and larger.
December 1, 2004
Pelvic x-ray not mandatory for abdominal trauma in children, study finds
By N. Shivapriya
CHICAGO - In an age when scanning patients has become routine, new research presented at the RSNA finds that pelvic radiograph is not indicated for blunt abdominal trauma in children younger than 12 years, unless the trauma was caused by a motor vehicle crash or certain other factors pertain to the case.
November 30, 2004
CT-guided RFA effective for local control and palliation of lung cancer
CHICAGO - Image-guided radiofrequency ablation (RFA) is a viable treatment option for lung cancer patients who are not good candidates for surgery, according to results from a series of 126 lung cancer patients treated with RFA.
November 30, 2004
Carotid stenting safe, comparable to open surgery
By Edward Susman
CHICAGO - A single-center review of cases of carotid artery stenting to prevent stokes appears to show that the procedure can be performed safely and with similar success as surgical carotid endarterectomy, researchers reported Wednesday at the RSNA meeting.
November 30, 2004
BrainLab combines navigation, US systems for neurosurgery
By AuntMinnie.com staff writers
Radiotherapy firm BrainLab has integrated its VectorVision surgical navigation system with the IGSonic ultrasound system, enabling neurosurgeons to use intraoperative ultrasound.
November 30, 2004
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