Positron Emission Tomography

Positron emission tomography (PET) utilises radiopharmaceuticals (agents) to take three-dimensional images of the brain. The decay of the agents produces energy (in the form of a positron) which is detected by the specialised cameras in the PET scanner to generate the image.

Through the administration of different agents, PET can be used to visualise the composition and abundance of different molecules within the central nervous system. For example, the quantification of amyloid plaques within the brain can be achieved with agents such as Florbetapir and Florbetaben and has become the gold standard in imaging for the diagnosis of Alzheimer’s disease.

Macquarie Medical Imaging has a latest generation PET scanner installed and routinely conducts  functional examinations.

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