Oncology Imaging

Medical imaging has become integral to cancer care, assessing the stage and location of cancerous tumors. By utilizing powerful imaging modalities including CT, MRI, MRA and PET/CT, oncology imaging radiologists are able to assist referring physicians in the detection and diagnosis of cancer.

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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.

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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.

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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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Most interval lung cancers missed at NLST screening

A retrospective analysis of National Lung Screening Trial (NLST) exams has shown that most lung cancers that were detected within a year after a negative CT screening exam—some 40 of 44, or 91 percent—were present but overlooked at the screening. 

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Watch for PET/CT to grow as an aid to image-guided biopsies of children

PET/CT can add value to cancer staging and follow-up in pediatric patients. In fact, it may come to play an important role in directing image-guided biopsies of children, according to a study published online Dec. 27 in the American Journal of Roentgenology.

Veritable ‘amateur radiologist’ helps save her own life

A survivor of advanced cancer who cheated death largely did so by “interpreting” her own diagnostic images on a home computer. 

CT is effective in staging colon cancer—with minor drawbacks

A retrospective study published in the American Journal of Roentgenology determined that CT is a useful tool for staging colon cancers that have moved beyond the bowel wall. While performance suffers in certain situations, the largely Dutch authors recommend using thin-slice CT to detect cancers. 

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5 reasons radiologists should reserve a seat on the tumor board

Radiologists who interpret oncologic imaging exams but don’t participate in multidisciplinary tumor boards (MTBs) miss a golden opportunity to show their value to clinicians, patients and provider systems. 

Around the web

Positron, a New York-based nuclear imaging company, will now provide Upbeat Cardiology Solutions with advanced PET/CT systems and services. 

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.