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 - brain, stroke

The rates of CT perfusion and CT angiogram for acute ischemic stroke markedly increased from 2006 to 2010 and both modalities were associated with increased reperfusion therapy use, according to a study published in the April issue of Stroke

 - Checkmark

Despite being a concern for years, new research has suggested that intravenous contrast material exposure does not increase the risk of acute kidney injury in patients undergoing a CT scan.

 - scale weight

MRI can accurately detail the amount and distribution of adipose tissue, and quantification of this tissue with imaging could be used in the study of metabolic syndrome and diabetes, according to a study published in the May issue of Academic Radiology.

 - Lasers could point to Alzheimer's solution

Significant global structural alterations have been identified in mild cognitive impairment and Alzheimer disease using a multivariate analysis of covariance model, according to a study published in the May issue of Academic Radiology

 - Gavel and stethoscope

Medical malpractice claims and costs are likely to rise as changes from the Patient Protection and Affordable Care Act take effect, an analysis by RAND Corp. predicted.