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Oncology Imaging

 

Diagnostic prostate MRI can be a good tool for triaging biopsy candidates, as the one-two punch of that exam followed by MRI-guided biopsy of suspicious lesions has again proven not only clinically efficacious but also cost-effective when compared with transrectal ultrasound-guided biopsy. 

Prostate biopsy via the perineum with local anesthetic and MRI targeting is feasible, tolerable and can be performed in ambulatory settings, according to a British study published online May 9 in Prostate Cancer and Prostatic Diseases.

After assessing several decades’ worth of survey data on more than 110,000 radiologic technologists, researchers have all but ruled out a dose-response association between cumulative protracted occupational radiation and death by brain tumor.  

MRI enhanced with gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid—the scan referred to as “EOB MRI”—is significantly better than contrast-enhanced CT for assessing colorectal liver metastases that disappear after chemotherapy, according to a study published online March 22 in Radiology.

A group of researchers from the University of Wisconsin found patients who underwent endoscopic ultrasound (EUS) had longer times-to-surgery than those who didn’t. Led by resident Ryan Schmocker, MD, the team linked certain geographical areas and institutional factors to a higher likelihood of undergoing EUS, in addition to a baseline increase in utilization nationwide.

 

Recent Headlines

MRI adds real value to prostate cancer diagnostics

Diagnostic prostate MRI can be a good tool for triaging biopsy candidates, as the one-two punch of that exam followed by MRI-guided biopsy of suspicious lesions has again proven not only clinically efficacious but also cost-effective when compared with transrectal ultrasound-guided biopsy. 

MRI guidance enables more comfortable prostate biopsy

Prostate biopsy via the perineum with local anesthetic and MRI targeting is feasible, tolerable and can be performed in ambulatory settings, according to a British study published online May 9 in Prostate Cancer and Prostatic Diseases.

Long look at lots of rad techs: No link between work-related radiation exposure and fatal brain tumors

After assessing several decades’ worth of survey data on more than 110,000 radiologic technologists, researchers have all but ruled out a dose-response association between cumulative protracted occupational radiation and death by brain tumor.  

Mobile lung screening unit eliminates barriers to access in Carolinas

Levine Cancer Institute launched the first mobile lung CT unit to provide cancer screening to rural communities in North and South Carolina, two states with above-average rates of lung cancer diagnosis.

Gadolinium MRI superior to contrast CT for evaluating some here-and-gone metastases

MRI enhanced with gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid—the scan referred to as “EOB MRI”—is significantly better than contrast-enhanced CT for assessing colorectal liver metastases that disappear after chemotherapy, according to a study published online March 22 in Radiology.

Geography, not patient need, driving endoscopic ultrasound utilization

A group of researchers from the University of Wisconsin found patients who underwent endoscopic ultrasound (EUS) had longer times-to-surgery than those who didn’t. Led by resident Ryan Schmocker, MD, the team linked certain geographical areas and institutional factors to a higher likelihood of undergoing EUS, in addition to a baseline increase in utilization nationwide.

Recurrent skin cancers more likely to be found by patient self-checks than by imaging

Patients and their physicians detect more recurrences of melanoma than routine surveillance imaging does, according to a study published online Feb. 8 in the Journal of the American College of Surgeons.

Whole body PET/CT finds some tricky cancers better than CT alone

Danish researchers have found whole body PET/CT augmented by the radiotracer FDG is superior to straight CT as a first-line modality for imaging patients with serious non-specific symptoms and signs of cancer (NSSC). Their study was published online Jan. 12 in the Journal of Nuclear Medicine.

Lung cancer screening guidelines stirred up something of a Twitter storm

Tweets about lung cancer screening multiplied markedly after the U.S. Preventive Services Task Force released its guidelines on screening with low-dose chest CT (LDCT) in December 2013, according to an analysis published online Jan. 13 in the Journal of Digital Imaging.

Experimental CAD system bests other diagnostic methods at catching lung cancer

Japanese researchers have developed a new a computer-aided diagnosis (CADx) system that’s superior to some other methods, relatively easy to use and capable of differentiating between malignant and benign nodules on lung CT.

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