Genitourinary Radiology: Page 49

MRI helps assess prostate cancer patients
By AuntMinnie.com staff writers
Among patients initially diagnosed with low-risk prostate cancer, those with tumors clearly visualized by endorectal MRI were significantly more likely to have their disease status upgraded at biopsy, according to a new study in the Journal of Urology.
September 25, 2012
DWI-MRI enhances performance in prostate cancer cases
By Wayne Forrest
Diffusion-weighted MR imaging (DWI-MRI) can improve diagnostic performance and be a useful adjunct to conventional MRI in detecting prostate cancer, according to a meta-analysis published in the October issue of the American Journal of Roentgenology.
September 24, 2012
FDA clears C-11 choline PET for prostate cancer
By AuntMinnie.com staff writers
The U.S. Food and Drug Administration (FDA) has approved the production and use of PET radiopharmaceutical carbon-11 (C-11) choline injection to detect recurrent prostate cancer, the agency announced.
September 11, 2012
MRI reliable for characterizing scrotal, testicular lesions
By Wayne Forrest
MRI can reliably detect, precisely localize, and accurately characterize scrotal lesions to advance treatment strategies and avoid unnecessary surgery for patients, enabling many to save their testicles, according to a study in the September issue of the American Journal of Roentgenology.
August 29, 2012
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Simple procedures are keys to success of proton facilities
By Cynthia E. Keen
The use of proton therapy for prostate cancer patients is highly controversial because its high cost compared to other radiation therapy treatments has not been justified by superior patient outcomes. However, prostate cancer patients are essential for a proton therapy center's financial well-being.
August 27, 2012
Iterative reconstruction cuts CT dose for urinary stone disease
By Eric Barnes
Iterative reconstruction allows steep CT radiation dose reductions in urolithiasis imaging without loss of image quality or diagnostic confidence, researchers from Massachusetts General Hospital have found. The results may help allay fears of potentially excessive radiation in these oft-repeated scans.
August 19, 2012
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Adding ultrasound boosts radiotherapy for prostate cancer
By Tami Freeman
Combining pulsed nonthermal focused ultrasound with radiotherapy could increase the efficacy of prostate cancer treatment, according to a presentation at the American Association of Physicists in Medicine annual meeting held in Charlotte, NC, earlier this month.
August 16, 2012
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Does urologist self-referral force patients to travel for IMRT?
By Cynthia E. Keen
Men in Texas may be driving more than three times farther than necessary to receive intensity-modulated radiotherapy (IMRT) for prostate cancer if they are being treated at a urology practice that owns its own IMRT equipment, researchers reported on Wednesday in the International Journal of Radiation Oncology, Biology, Physics.
August 14, 2012
Group combines US with photoacoustics
By AuntMinnie.com staff writers
Scientists from the University of Southern California in Los Angeles and Washington University in St. Louis have developed a photoacoustic endoscopy method that combines a photoacoustic imaging device with an ultrasound endoscope.
August 13, 2012
Prostate brachytherapy bests IMRT in cost-effectiveness
By Cynthia E. Keen
Five-year outcomes of men with localized low- or intermediate-risk prostate cancer are comparable after either intensity-modulated radiation therapy (IMRT) or prostate brachytherapy. But the latter treatment costs thousands of dollars less, according to an analysis published online in Brachytherapy.
July 15, 2012
Chronic kidney failure no barrier to CT angiography
By Eric Barnes
CT angiography using moderate doses of IV contrast in patients with advanced renal failure is a safe procedure that negatively affects renal function in only a small percentage of patients, according to researchers from Baltimore.
July 12, 2012
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Hydration before contrast cuts CIN in high-risk patients
By Eric Barnes
Even patients with advanced kidney disease can steer clear of contrast-induced nephropathy (CIN) if given plenty of hydration, say researchers from the Netherlands. Results from the study of nearly 1,000 patients with stage 3 or 4 kidney disease were published in the June issue of Radiology.
June 28, 2012
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