A study using PET imaging to compare nicotine accumulation in smokers found that nicotine washed out of the addicted smoker’s lungs and into their blood less efficiently and the study could help provide a treatment program for cigarette smokers who are trying to quit, according to a research scheduled to appear online in the early edition of Proceedings of the National Academy of Sciences during the week of March 8.

PET/CT with 18F-FDG needs to be accurately interpreted since higher FDG uptake is seen in axillary lymph nodes after vaccination against pandemic swine-origin influenza A (H1N1), according to a study published online Feb. 26 in European Radiology.

Microbubbles conjugated to small peptide-targeting ligands can provide ultrasound imaging signals allowing researchers to visualize tumor activity at the molecular level and show its progression, according to research published in the March issue of the Journal of Nuclear Medicine.

Whole-body 18F-FDG PET combined with chest CT is cost-effective in pretreatment screening for distant metastases in head and neck squamous cell carcinoma patients with risk factors, according to a study published in the February issue of the Journal of Nuclear Medicine.

Further reduction of doses in younger patients is needed to consider Tl-201 a viable option for imaging osteosarcoma, according to research published in the January issue of the American Journal of Roentgenology.

A majority of patients (61 percent) evaluated for chest pain of uncertain cardiac cause have a coronary artery calcium (CAC) score of zero, which predicts both a normal SPECT result and an excellent short-term outcome, according to a single-center study published online Feb. 8 in the Annals of Emergency Medicine.

PET/CT has been shown to be a promising tool for detecting colonic pathology, according to a M.D. Anderson Cancer Center study published online Feb. 8 in Cancer.

Researchers have used gold nanoparticles as orientation sensors by combining their plasmonic properties with polarization imaging techniques and tracking them using photothermal imaging, according to an article published online Feb. 1 in Proceedings of the National Academy of Sciences.

A malignancy index constructed by using magnetic resonance spectra based on prostate cancer metabolomic profiles obtained from previous intact tissue had an accuracy of 93 to 97 percent for detecting the presence of prostate cancer lesions, according to an article published in the January issue of Science Translational Medicine.

The use of educational intervention can affect emergency department physician decisions on whether to use ventilation–perfusion (V/Q) scanning rather than CT pulmonary angiography (CTPA) for patients presenting with suspected pulmonary embolism (PE), according to a study in the February issue of the American Journal of Roentgenology.