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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Default mode network integrity associated with spinal fluid markers in preclinical AD

Amyloid beta and tau pathologies appear to be associated with default mode network (DMN) integrity before clinical onset of Alzheimer’s disease (AD), according to a study published online Aug. 19 in JAMA Neurology. 

Low BI-RADS 3 lesion cancer rate suggests rethinking follow-up

Ultrasound-detected lesions assessed as Breast Imaging-Reporting and Data System (BI-RADS) category 3—meaning probably benign—have a total malignancy rate of 0.8 percent, according to the results of a multicenter imaging trial published online Aug. 20 in Radiology.

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UK health authority calls for CT scans for head injuries within 1 hour

Those who suffer a head injury requiring an ambulance should be immediately taken to a hospital for a CT scan, according to draft guidelines from the National Institute for Health and Care Excellence, an organization sponsored by the U.K. Department of Health that provides public health guidance.

Pre-op breast MRI linked to increasing rates of invasive surgery

Increasing use of preoperative breast MRI has been associated with significant increases in bilateral cancer diagnoses and subsequent invasive surgeries with questionable long-term benefits, according to a study published online Aug. 14 in Breast Cancer Research and Treatment.

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Always innovating

One of the fascinating aspects of medical imaging is the pace at which innovative technologies are developed and spread. Whether it’s an improvement with informatics or a novel addition to imaging hardware, it seems like an intriguing new project is unveiled every week.

FDG PET hot spots predict better prognosis in spinal surgery patients

Doctors can now tell how effective a surgery for degenerative cervical myelopathy will be based on how much FDG is taken up by the cervical spinal cord, according to research published online August 5 in the Journal of Nuclear Medicine.

MRI reveals beginnings of dyslexia before children start to read

A study of children entering kindergarten is shedding light on the origins of dyslexia, as diffusion-weighted MRI has revealed that if certain white matter tracts in the brain are smaller and less organized, it can lead to reading difficulties.

FDG PET keeps tabs on lung oxygenation by quantifying pulmonary blood flow

In cases of acute lung injury, pulmonary blood flow (PBF) provides potentially critical information about lung aeration. An FDG PET method of compartmental modeling may quantify PBF by estimating regional fraction of blood, a breath of fresh air for pulmonary imaging, according to a study published August 1 in the Journal of Nuclear Medicine.

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