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To study Alzheimer's disease, the researchers examined PET scans from a database compiled by the Alzheimer's Disease Neuroimaging Initiative.
Black points that, "A PET scan report should tell a clinician what he or she really wants and needs to know to facilitate and optimize individual patient management.
The new amyloid PET scan will help us know which of the mild cognitive impairment patients have Alzheimer's disease, and therefore we would consider therapy.
The patients had undergone PET scans before their deaths, and their diagnoses were confirmed by autopsy.
He said currently, PET scans were most commonly used to detect cancer, heart problems such as coronary artery disease and damage to the heart following a heart attack, brain disorders that include brain tumours, memory disorders, seizures and other central nervous system disorders.
PET scans are often used to detect and diagnose cancers at an early stage and provide the most accurate information about tumours and whether they have spread to other parts of the body.
The three main cancers most effectively targeted by PET scans are lung, colon-rectal and lymphomas, but there are many others which can be identified this way.
In 90% of cases, PET scan results affected ovarian cancer disease management, including surgical intervention, which occurred as a result of PET in 13% of patients.
Operational Characteristics of C-11 Choline PET Scan for Prostate Cancer Patients with Biochemical Recurrence Following Initial Treatment" - The operational performance of C11-choline PET for evaluating patients with recurrent prostate cancer supports the favorable claims regarding this technology.
A PET scan is a unique type of imaging test that reveals physiologic processes in organs such as the lung.
Rather than using PET scans to detect residual cancer only after all other methodologies--including empiric RAI therapy--have not revealed a recurrence, "we're now saying, before you do RAI, you may do a PET scan, especially if the serum thyroglobulin is above 10 ng/mL," he said.
CT and MRI scans do not tell you what a cancer is doing but a PET scan will give a better indication if a tumour is malignant or benign,' Dr Guest said.