Molecular Imaging

Nuclear imaging, also called molecular imaging, includes positron emission computed tomography (PET) and single photon emission computed tomography (SPECT) imaging. This section includes radiopharmaceuticals and tracers, PET-CT, SPECT-CT, and PET-MRI. Molecular imaging includes the field of nuclear medicine, which uses very small amounts of radioactive materials, or radiopharmaceuticals, to diagnose and treat disease.

Cardiac MRI being performed at the DeBakey Heart Hospital.

Cardiac MRI being performed at the DeBakey Heart Hospital.

Feature | Cardiac Imaging | May 03, 2018 | By Jeff Zagoudis
Magnetic resonance imaging (MRI) for cardiac assessment provides a radiation-free alternative to other commonly used...
Novel PET Agent Could Help Guide Therapy for Brain Diseases

Rat brain 11C‐Me‐NB1 PET images (0‐60 min) superimposed on an MRI template. Credit: SD Krämer et al., ETH Zurich, Zurich, Switzerland

News | PET Imaging | April 10, 2018
April 10, 2018 — Researchers have developed a new imaging agent that could help guide and assess treatments for people...
The Chalk River nuclear reactor license has been renewed, but will be decommissioned by 2028.

The Chalk River nuclear isotope reactor license has been renewed, but will be decommissioned by 2028. The reactor supplies about 50 percent of the world's supply of Tc99m.

Feature | Nuclear Imaging | April 02, 2018 | Dave Fornell
April 2, 2018 – The Canadian Nuclear Safety Commission (CNSC) announced March 29 that it renewed Canadian Nuclear...
A suspected pulmonary embolism on a conventional CT image is confirmed on a spectral CT by the presence of a corresponding wedge-shaped perfusion defect.

A suspected pulmonary embolism on a conventional CT image (left (or top), red arrow) is confirmed on a spectral CT by the presence of a corresponding wedge-shaped perfusion defect (right (or bottom), red outline). The spectral image was reconstructed when conventional CT images were not enough to form a definitive diagnosis. All data was acquired simultaneously using a Philips IQon Spectral CT scanner. (Images courtesy of Dr. Gopal V. Punjabi, Hennepin County Medical Center)

Sponsored Content | Blog | Information Technology | March 12, 2018
It isn’t enough for engineers today to simply design what might be technologically possible. Their innovations must be...
Imaging agent helps predict success of lung cancer therapy
News | Oncology Diagnostics | March 08, 2018
March 8, 2018 – Doctors contemplating the best therapy for...
The yellow in the anterolateral entorhinal cortex of the young brain indicates significant activity, something that is absent in the older brain.

This figure shows two different brains that are aligned to a common template space for comparison. The yellow in the anterolateral entorhinal cortex of the young brain indicates significant activity, something that is absent in the older brain. CREDIT: Zachariah Reagh

News | Nuclear Imaging | March 08, 2018
As we get older, it's not uncommon to experience "senior moments," in which we forget where we parked our car or call...
Axumin PET Agent Added to NCCN Guidelines for Suspected Recurrent Prostate Cancer. Example of an Axumin PET scan.
News | PET Imaging | February 21, 2018
February 21, 2018 — Blue Earth Diagnostics announced that Axumin (fluciclovine F 18) injection has been added to the...
Radiography Education Enrollment Shows Marginal Rise in 2017
News | Radiology Business | February 15, 2018
February 15, 2018 — Directors of radiography ...
A Tc99m SPECT cardiac exam showing myocardial perfusion in the heart.

Technetium-99m is primarily used for the detection of cancer and to assess perfusion defects in the heart caused by heart attacks or other conditions.

Feature | Radiopharmaceuticals and Tracers | February 08, 2018 | Dave Fornell
February 8, 2018 — The U.S. Food and Drug Administration (FDA) and the Nuclear Regulatory Commission (NRC) recently...
PSMA PET-CT Clearly Differentiates Prostate Cancer from Benign Tissue

68Ga-PSMA PET/CT images showing multifocal PCA in peripheral zone with GS of 5 1 5 5 10. (A and C) Axial PET images. (B and D) Fused PET/CT images. SUVmax of lesion in B was 84.3 and that of lesion in D was 5.7. IRS was 3, and 80% of cells were stained. Credit: Senior author V Prasad, Charité Universitätsmedizin Berlin, Berlin, Germany.

News | PET-CT | February 05, 2018
February 5, 2018 — Using nuclear medicine...
Brain-scan guided emergency stroke treatment can save more lives
News | Neuro Imaging | January 25, 2018
January 25, 2018 – Advances in brain imaging...
PET Tracer Measures Damage From Multiple Sclerosis in Mouse Models
News | PET Imaging | January 24, 2018
January 24, 2018 — The loss or damage of myelin, a cellular sheath that surrounds and insulates nerves, is the hallmark...
Novel PET Tracer Clearly Identifies and Tracks Bacterial Lung Infection

Representative PET/CT images of 18F-FDS and 18F-FDG in inflamed mice. Mice were inoculated with dead K. pneumoniae (10^8 CFU/mL). Imaging was performed for days 1, 2, 3 and 4 using 18F-FDG and 18F-FDS. CT images showed clear inflammation on day 2 and day 3 with corresponding high 18F-FDG uptake on PET. No significant uptake of 18F-FDS was detected for any of those 4 days. Credit: J Li et al., University of Louisville School of Medicine, Louisville, Ky.

News | PET-CT | January 22, 2018
January 22, 2018 — Researchers at the University of Louisville, Kentucky, have demonstrated that a new...
PET Tracer Gauges Effectiveness of Promising Alzheimer's Treatment

Longitudinal PET imaging with 18F-AV45. PET imaging shows the average 18F-AV45 uptake per animal group at 8 and 13 months of age. A significant interaction of genotype treatment was observed in the cortex (p = 0.0248), hippocampus (p = 0.0071) and thalamus (p = 0.0084), indicating reduced [18F]-AV45 uptake in BACE1 inhibited transgenic mice. Credit: MICA, University of Antwerp, Belgium.

News | Radiopharmaceuticals and Tracers | December 28, 2017
December 28, 2017 — In the December featured basic science article in...
Vital Unveils Newest Vitrea Advanced Visualization Release at RSNA 2017
Technology | Advanced Visualization | December 04, 2017
December 4, 2017 — Vital Images unveiled the newest version of Vitrea...
Michael J. Fox Foundation and Tau Consortium Developing PET Tracers for Neurodegenerative Disease
News | Radiopharmaceuticals and Tracers | October 27, 2017
October 27, 2017 — The Michael J. Fox Foundation for Parkinson's Research (MJFF) and the Tau Consortium announced a...
Netherlands Cancer Institute Exploring Molecular Imaging Technology for Prostate Cancer Surgery
News | Molecular Imaging | October 26, 2017
October 26, 2017 — The Netherlands Cancer Institute (NKI) announced it has received funding from the Dutch Cancer...
SNMMI Publishes New FDG PET/CT Appropriate Use Criteria
News | PET-CT | October 25, 2017
October 25, 2017 — The Society of Nuclear Medicine and Molecular Imaging (SNMMI) has published appropriate use criteria...
Biodex Unveils Atomlab 500 Dose Calibrator and Wipe Test Counter
Technology | Nuclear Imaging | October 19, 2017
October 19, 2017 — Biodex Medical Systems announced the full release of the Atomlab Dose Calibrator and Wipe Test...
ASNC and ASE Team Up to Expand ImageGuide Registry
News | Cardiovascular Ultrasound | October 12, 2017
October 12, 2017 — The American Society of Nuclear Cardiology (ASNC) and the American Society of Echocardiography (ASE...