CT

Doctors don’t always discuss the risks of CT scans with patients. One researcher explains why and the implications for radiologists.

Radiologist and artist Satre Stuelke, MD, MFA, acquires CT scans of toys, food, and electronics.

The term “low dose” for reporting CT scan radiation dose is too vague, say editors of the journal Radiology. Here one editor discusses the goal of abolishing the term.

CMS is allowing local contractors to determine coverage of new oncology PET tracers, but tracers for neurological or cardiac uses aren’t included in the change.

The FDA has approved Lymphoseek (technetium Tc 99m tilmanocept) Injection imaging agent that helps locate lymph nodes in patients with certain cancers.

CT scans of mummies show that plaque build-up and clogged arteries occurred among people 4,000 years ago, as well as today.

Reducing the CT colonography radiation dose from 120 kVp to 100 kVp resulted in a significant decrease in dose but minimal decrease in 3D image quality.

CT lung cancer screening could save up to 12,000 lives per year in the United States - and even more could be saved if the criteria were expanded.

CCTA is effective for determining heart attack risk in patients with suspected coronary artery disease - even if there are no treatable risk factors.

CT texture analysis of primary esophageal tumors may be a potential imaging biomarker, helping determine the effectiveness of chemotherapy.

Risks of radiation-induced cancer from CT scans in early adulthood are outweighed by the benefits obtained from the scans.

Amyloid imaging, used to detect plaques in the brain, may help diagnose cardiac amyloidosis, researchers said.

A rule aid comprising seven factors may aid physicians in deciding whether to refer children for abdominal CT scans following blunt trauma to the abdomen.

Radiation exposure from CCTAs has been significantly reduced with use of a new second-generation CT scanner, without compromising diagnostic accuracy.

A 2-day-old neonate presented to pediatric emergency with gross congenital anomaly.

Low-dose CT is an appropriate screening tool for lung cancer among high-risk patients, say new guidelines issued by the American Cancer Society.

Adding virtual colonoscopy, or CT colonography, by adding the test to HEDIS could improve colorectal cancer screening compliance.

A 38-year-old male presents with headache.

Pairs of specialized CT scans allow researchers to see liver tumors death right after chemo to quickly determine the efficacy of chemoembolization.

Combining fluorodeoxyglucose-PET, MRI and cerebrospinal analysis significantly increases the accuracy of predicting Alzheimer’s disease progression.

One-quarter of lung cancers found through CT screening are slow-growing or indolent, many of which may have been overdiagnosed, researchers say.

F-18-flurorothymidine PET appears to be useful in assessing the grade and proliferation in gliomas, especially in newly diagnosed patients.

CHICAGO - CT colonography’s path to reimbursement has been a complicated process, standing as a reminder for radiologists to get involved in political advocacy.

Dose awareness extends to nuclear medicine exams with the development of online materials to guide providers on radiopharmaceutical dose utilization.

U.S. physicians ordered fewer non-emergency CTs in 2010 than in the previous nine years. Emergency CT use continues to grow.