PET Imaging

Positron emission tomography (PET) is a nuclear imaging technology (also referred to as molecular imaging) that enables visualization of metabolic processes in the body. The basics of PET imaging is that the technique detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide (also called radiopharmaceuticals, radionuclides or radiotracer). The tracer is injected into a vein on a biologically active molecule, usually a sugar that is used for cellular energy. PET systems have sensitive detector panels to capture gamma ray emissions from inside the body and use software to plot to triangulate the source of the emissions, creating 3-D computed tomography images of the tracer concentrations within the body.

PET/CT, atherosclerotic plaque detection, Stanford University

Application of dual-modality optical and PET/CT activity-based probe in experimental carotid inflammation model. Coronal noninvasive PET/CT scans of (A) healthy and (B) diseased mice with and without ligated carotid arteries respectively. Inset images show optical ex vivo florescence imagining of (A) healthy and (B) diseased carotid arteries.  PET/CT and optical images courtesy of Xiaowei Ma, Toshinobu Saito and Nimali Withana.

News | PET-CT | November 01, 2016

November 1, 2016 — Researchers at Stanford University have demonstrated for the first time the use of a dual optical...

Axumin, fluciclovine F-18, PET agent, Phase 3 study, recurrent prostate cancer detection, Blue Earth Diagnostics
News | Prostate Cancer | October 25, 2016

October 25, 2016 — Blue Earth Diagnostics Ltd. announced the peer-reviewed publication of results from a Phase 3...

Lantheus, flurpiridaz F-18, myocardial perfusion imaging, MPI, cardiac stress testing, ASNC 2016
News | Radiopharmaceuticals and Tracers | October 17, 2016

October 17, 2016 — Lantheus Holdings Inc. announced in late September that sub-analysis data from the first Phase 3...

Philips, RSNA 2016, IQon spectral CT

IQon Spectral CT image courtesy of Philips Healthcare

News | Information Technology | October 13, 2016

October 13, 2016 — Philips announced that it will be displaying a variety of solutions aimed at increasing...

University of Arizona, Cubresa, NuPET, PET/MRI scanner installed, tumor assessment

Panel A shows a flank A549 lung tumor in a nude mouse with combined 18F-FDG PET uptake (signal intensity in color) and T2-weighted anatomical MRI (grayscale). Panel B shows a similar tumor image with a relative permeability map for the tumor (color code) overlaid on a corresponding anatomical MRI reference. Regions identified as necrotic were not included in the DCE MRI analysis. Image courtesy of the University of Arizona Department of Medical Imaging.

News | PET-MRI | October 13, 2016

October 13, 2016 — Cubresa Inc. recently announced the successful installation of their compact positron emission...

radiology

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Blog | Radiology Imaging | October 12, 2016

We know where imaging has been.

We think it’s going to...

silos

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Blog | Radiology Imaging | October 05, 2016

Ever knock down a silo? You have to be quick. And lucky. Very...

GE Healthcare, Discovery MI PET/CT system, FDA clearance, RSNA 2016
Technology | PET-CT | October 05, 2016

October 5, 2016 — GE Healthcare announced U.S. Food and Drug Administration (FDA) 510(k) clearance of its Discovery...

PET imaging
Feature | Radiation Oncology | October 04, 2016 | By Michael V. Knopp, M.D., Ph.D., Chadwick L. Wright, M.D., Ph.D., Katherine Binzel, Ph.D. and Jun Zhang, Ph.D.

Precision medicine is not only a buzzword, it is a call to action to radically advance our capabilities in the era...

Celesteion PET/CT
News | PET-CT | October 03, 2016

October 1, 2016 — To advance clinical care for its customers, Toshiba’s Celesteion PET/CT system delivers a more...

Alzheimer's, ADNI3 study, Alzheimer's Disease Neuroimaging Initiative, NIH grant, MRI, PET, biomarkers
Feature | Neuro Imaging | September 09, 2016

September 9, 2016 — The Alzheimer’s Disease...

patient centricity

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Blog | Radiology Imaging | September 07, 2016

Radiology cannot stay where it is. Yet threats make it dangerous to move. 

The adoption of...

PET/CT

There is a growing focus on early diagnosis and prevention. Here, PET/CT imaging is used to look inside the stress center of the brain.

Feature | Radiology Imaging | September 07, 2016 | By Kirill Shalyaev, Ph.D.

Advanced imaging and hybrid modalities, such as ...

ASNC, SNMMI, position statement, myocardial perfusion PET, coronary artery disease
News | PET Imaging | September 01, 2016

September 1, 2016 — The American Society for Nuclear Cardiology (ASNC) and the Society of...

iDISCO, Alzheimer’s, pathology imaging

Example of the iDISCO technique to image brain samples containing Alzheimer’s disease, which could have major impact on treatment. For more inages and videos view the article online at www.cell.com/cell-reports/fulltext/S2211-1247(16)30814-2

News | Neuro Imaging | August 30, 2016

August 30, 2016 — Rockefeller University researchers have used a recently-developed imaging technique that makes...

PET, positron emission tomography, genetically linked lung cancer, AAPM, big data
News | PET Imaging | August 02, 2016

August 2, 2016 — A cutting-edge method of extracting big data from...

PET, PET imaging, PET-CT, FDG PET, PET cancer assessment, nuclear imaging, molecular imaging

A PET-CT head and neck cancer scan showing various image reconstructions. The top left image is the separate CT scan showing the anatomy. The top right scan shows the fused PET and CT scans with false color added to help interpret the image. The bottom left scan is an initial FDG PET image showing tracer hot spots in the neck and a lymph node in the right jaw due to cancer. The right bottom image is a delayed enhancement scan showing tracer uptake over time, with normal hot spots in the bladder, kidneys, testicles and brain, which normally have higher metabolic activity. The low-grade gray shading of the anatomy is due to the normal cellular metabolism uptake of the FDG throughout the body. 

Feature | PET Imaging | July 26, 2016 | Dave Fornell

Positron emission tomography (PET) is a nuclear imaging technology (also referred to as molecular imaging) that...

imaging

Image courtesy of Pixabay.

Blog | Radiology Imaging | July 20, 2016

Making healthcare more objective and precise promises to increase efficiency and reduce costs — the key ingredients...

ASNC, SNMMI, PET standard, Pet cardiac imaging, PET nuclear imaging, perfusion imaging

An example of a cardiac PET-CT imaging, should a color coded image of the left ventricle to help assess myocardial perfusion to detect ischemia using a Siemens scanner.

News | Nuclear Imaging | July 19, 2016

July 19, 2016 - An updated joint American Society of Nuclear Cardiology (ASNC) imaging guidelines and Society of...