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FDG is used to explore the possibility of cancer spreading to other body sites (cancer metastasis). These FDG PET scans for detecting cancer metastasis are the most common in standard medical care (representing 90% of current scans). The same tracer may also be used for the diagnosis of types of dementia.
As a result, FDG-PET can be used for diagnosis, staging, and monitoring treatment of cancers, [21] particularly in Hodgkin's disease, non-Hodgkin lymphoma, colorectal cancer, breast cancer, melanoma, and lung cancer. It has also been approved for use in diagnosing Alzheimer's disease.
PET imaging with 18F-FDG takes advantage of the fact that the brain is normally a rapid user of glucose. Standard 18F-FDG PET of the brain measures regional glucose use and can be used in neuropathological diagnosis. Example: Brain pathologies such as Alzheimer's disease greatly decrease brain metabolism of both glucose and oxygen in tandem ...
The only other obstacle to the wider use of PET-CT is the difficulty and cost of producing and transporting the radiopharmaceuticals used for PET imaging, which are usually extremely short-lived. For instance, the half-life of radioactive fluorine-18 ( 18 F) used to trace glucose metabolism (using fluorodeoxyglucose , FDG) is only two hours.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. There is 1 pending revision awaiting review. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery ...
“Amyloid PET scans are a proven tool and can be an important part of Alzheimer’s diagnosis and treatment,” Maria Carrillo, chief science officer of the Alzheimer’s Association, said in a ...
The whole body PET/CT scan is commonly used in the detection, staging and follow-up of various cancers. Abnormal whole body PET/CT scan with multiple metastases from a cancer. The whole body PET/CT scan has become an important tool in the evaluation of cancer.
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