CT scans validated for immune-related colitis
April 5, 2017 -- CT is a reliable modality for diagnosing immune-related colitis, replacing invasive colonoscopy with high diagnostic accuracy and a safer profile, according to research published April 3 in Cancer Immunology Research.  Discuss
ACR publishes TI-RADS thyroid nodule classification model
April 5, 2017 -- A new risk stratification model for thyroid nodules has been published by the American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS) committee. The TI-RADS model is designed to be easy to use by ultrasound practitioners and reduce the number of unnecessary biopsies for thyroid nodules.  Discuss
Study documents decline in imaging use since 2001
April 4, 2017 -- Growth in medical imaging use may have been rapid in the early 2000s, but that trend is definitely over, according to a study led by Dr. David C. Levin of Thomas Jefferson University and published in the April issue of Health Affairs.  Discuss
CT radiation dose falls over time, but still varies widely
April 4, 2017 -- CT radiation dose dropped a little over the course of a large seven-year study of patients undergoing repeat scans. But just as noteworthy were large variations in dose for repeat procedures in the same patients over time, researchers concluded in a paper published March 28 in the American Journal of Roentgenology.  Discuss
Machine learning could reduce inappropriate knee MRI scans
April 3, 2017 -- Supported by machine-learning technology, researchers have developed a natural language processing algorithm that successfully automates classification of MRI knee scans to better understand MRI utilization, according to a study in the April issue of the American Journal of Roentgenology.  Discuss
What's next for U.S. healthcare regulation?
April 3, 2017 -- Now that the first attempt at repealing the Affordable Care Act has fallen short, what can we expect next from the U.S. government on healthcare reform? Cynthia Moran of the American College of Radiology offers some thoughts.  Discuss
ACS: U.S. cancer death rates continue to fall
March 31, 2017 -- Overall cancer death rates continued to decline from 2010 to 2014, the latest period examined in the American Cancer Society's (ACS) annual report on cancer, the ACS said in a statement accompanying a report in the Journal of the National Cancer Institute.  Discuss
Spectral Doppler metric spots hepatic arterial stenosis
March 31, 2017 -- A new quantitative spectral Doppler ultrasound measurement can accurately detect liver transplant hepatic arterial stenosis, offering the potential of reducing the number of unnecessary angiography procedures in these patients, according to research published in the April issue of the Journal of Ultrasound in Medicine.  Discuss
Role of imaging modalities is changing for PE diagnosis
March 31, 2017 -- The use of ventilation/perfusion SPECT scans to rule out pulmonary embolism (PE) is evolving. What used to be the definitive test for PE is shifting into a role that harmonizes with the use of pulmonary CT angiography, according to an article in the American Journal of Roentgenology.  Discuss
How accurate are DCIS predictions from radiologists?
March 30, 2017 -- Radiologists can predict the presence of invasive cancer with fairly high accuracy, but their accuracy dips when it comes to predicting ductal carcinoma in situ (DCIS), according to a study published in the April issue of the American Journal of Roentgenology.  Discuss