Health Imaging

fMRI reveals 2 Gulf War Illness phenotypes

In an unanticipated finding, George Washington University researchers discovered two distinct phenotypes of Gulf War Illness. An exercise challenge showed one subgroup with orthostatic tachycardia and a second with exercise-induced hyperalgesia, according to a study published online June 14 in PLOS One.

Diagnostic Imaging

DTI offers ‘road map’ to diagnosing movement disorders

Diffusion tensor imaging (DTI) separated patients based on movement disorder diagnosis with a high degree of accuracy, potentially opening the door for early assessment of movement disorders such as Parkinson’s disease (PD), according to a study to be published in the July issue of Movement Disorders.

Neuroimaging

Medicare report takes aim at cardiac imaging services

A Medicare advisory panel recommended changes to Congress that included initiatives to reduce payment differences between hospital outpatient and physician office payment rates. One option targeted cardiac imaging services for a projected annual savings of $500 million.

Healthcare Economics

Women may delay CT colonography screening

Patient age and sex are useful for predicting risk of advanced neoplasia at screening CT colonography (CTC), but body mass index (BMI) and positive family history seem to have little impact, according to a study published online June 10 in Cancer.

Oncology Imaging

MRI offers potential of imaging-based diagnosis of bipolar disorder

Structural MRI may be effective at diagnosing mental illnesses such as bipolar disorder by applying a pattern recognition algorithm to anatomic data, according to a study published online June 4 in Psychological Medicine.

Neuroimaging

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CMS halts coverage with evidence development for PET