Medical Imaging

Physicians utilize medical imaging to see inside the body to diagnose and treat patients. This includes computed tomography (CT), magnetic resonance imaging (MRI), X-ray, ultrasound, fluoroscopy, angiography,  and the nuclear imaging modalities of PET and SPECT. 

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Mystery MD: Who is the gatekeeper of CT in the ED?

Physicians who manage emergency department (ED) visits ordered CT exams at a rate nearly three times that of nonphysicians, according to a study published in the November issue of American Journal of Roentgenology. However, the researchers who quantified CT ordering patterns could not identify a gatekeeper to CT.

Asking for help: Interactive CAD bests unprompted CAD assistance

Radiologists’ interpretations of mammograms could be improved if an interactive computer-aided detection (CAD) system is used, as opposed to traditional CAD systems with prompts designed to prevent oversights, according to a study published online ahead of print in Radiology.

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Proton beam therapy provides disease control, cuts side effects in early breast cancer

After initial clinical trial results showing excellent disease control, Loma Linda University Medical Center has expanded enrollment in a breast cancer trial of proton beam radiotherapy.

Prognostic test may help maximize lung CT screening benefits

A prognostic assay helps identify patients with high-risk T1a node-negative non-small-cell lung cancer, which may inform post-surgical treatment, according to a research letter published Oct. 23 in Journal of the American Medical Association.

Know the signs: Many pulmonary conditions mimic lung cancer

A variety of pulmonary conditions are characterized by imaging findings that mimic lung cancers, making them difficult to differentiate from cancer, according to an article published in the October issue of the American Journal of Roentgenology.

Philips posts strong Q3, mainly driven by imaging sales

While the net income for the overall Philips Group was EUR76 million ($99.19 million U.S.) more than the previous year’s third quarter, the healthcare sector also had strong earnings. Philips Healthcare posted earnings before interest, taxes and amortization in the 2012 third quarter of EUR330 million ($429.25 million U.S.), compared with EUR261 million ($339.5 million U.S.) in Q3 2011.

CT technique opens door for breast imaging at 25x lower dose

Researchers have developed a CT technique that can produce 3D images of the breast at a radiation dose lower than mammography, according to an article published Oct. 22 in the online Early Edition of the Proceedings of the National Academy of Sciences.

US trumps mammo for eval of symptomatic women in 30s

The American College of Radiology should revise its Appropriateness Criteria and recommend ultrasound as the primary imaging modality for diagnostic evaluation of women between 30 and 39 years of age who present with focal signs and symptoms of breast cancer, according to a study published Oct. 22 in American Journal of Roentgenology.

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Around the web

Cardiovascular Business
GE HealthCare launches new cardiac CT scanner with advanced AI capabilities

GE HealthCare designed the new-look Revolution Vibe CT scanner to help hospitals and health systems embrace CCTA and improve overall efficiency.

Cardiovascular Business
Bracco updates HeartSee coronary flow capacity software with new diagnostic features

Clinicians have been using HeartSee to diagnose and treat coronary artery disease since the technology first debuted back in 2018. These latest updates, set to roll out to existing users, are designed to improve diagnostic performance and user access.

Cardiovascular Business
Key trends in diagnostic heart testing: CT on the rise as some traditional techniques fall out of favor

The cardiac technologies clinicians use for CVD evaluations have changed significantly in recent years, according to a new analysis of CMS data. While some modalities are on the rise, others are being utilized much less than ever before.