New PET tracer detects Alzheimer's disease pathology
July 26, 2021 -- A new PET tracer proved for the first time it can be used to identify brain activity involved in the formation of plaque in people with cognitive impairment and Alzheimer's disease, according to a study published July 15 in Molecular Psychiatry. Read More
PET/CT shows promise predicting outcomes in head, neck cancer
July 23, 2021 -- PET/CT imaging may help predict outcomes in patients on immunotherapy for head and neck cancer, according to a research letter published July 23 in JAMA Otolaryngology -- Head and Neck Surgery. Read More
Micro-PET/CT shows long-term Ritalin use safe in ADHD
July 15, 2021 -- Adults who started taking methylphenidate, also known as Ritalin, when they were children for attention deficit hyperactivity disorder (ADHD) may be able to lay aside concerns over whether the drug has neurotoxic effects, according to authors of an animal study published July 12 in Neurotoxicology and Teratology. Read More
FDG-PET identifies biomarkers in dementia with Lewy bodies
July 8, 2021 -- FDG-PET can identify whether mild cognitive impairment is associated with dementia with Lewy bodies or with Alzheimer's disease, two neurodegenerative conditions that can be indistinguishable in later stages, according to a study published July 4 in NeuroImage: Clinical. Read More
PET brain scans find links to PTSD severity in 9/11 responders
July 2, 2021 -- PET imaging has revealed a link between unusual brain activity and the severity of post-traumatic stress disorder (PTSD) in 9/11 responders due to their experiences at the World Trade Center in New York in 2001, according to a study published June 30 in Brain, Behavior, and Immunity -- Health. Read More
Ga-68 PSMA-11 improves outcomes in prostate cancer patients
July 2, 2021 -- PET with a gallium-68 (Ga-68) prostate-specific membrane antigen (PSMA)-11 radiotracer should be the standard imaging modality for guiding stereotactic ablative radiotherapy in oligometastatic prostate cancer patients, according to a June 29 study in Clinical and Translational Radiation Oncology. Read More
Researchers report on PET/CT's COVID-19 pandemic performance
June 28, 2021 -- When it comes to imaging diseases like COVID-19, FDG-PET/CT may not be the first modality that springs to mind. But its performance over the past year for identifying infection and inflammation in COVID-19 patients offers strong evidence of its value. Read More
Tau PET bests amyloid PET, MRI in Alzheimer's prognostic study
June 28, 2021 -- Tau PET is superior to amyloid PET and MRI for detecting cognitive decline in Alzheimer's disease patients over time and may serve as a prognostic tool to help manage patients in the early stages of the disease, according to a study published June 28 in JAMA Neurology. Read More
Patient vest monitors dose after radionuclide therapy
June 18, 2021 -- Researchers are developing a radiation tracking vest for patients to wear at home to monitor radiation dose to organs during radionuclide therapy, according to a study presented at the 2021 annual meeting of the Society of Nuclear Medicine and Molecular Imaging. Read More
Molecular imaging saw wins, losses over past year
June 17, 2021 -- You win some, you lose some. That adage could apply to the efforts of the nuclear medicine and molecular imaging community over the past year, according to the president's address by Alan Packard, PhD, at this week's annual Society of Nuclear Medicine and Molecular Imaging meeting. Read More