What type of imaging does Direct Measurement in PET involve?

Direct Measurement in PET refers to the capability of acquiring both static and dynamic imaging data during a single examination. Static imaging focuses on capturing images of a single point in time, allowing for the assessment of anatomical structures and evaluation of the distribution of radiotracers within the body at a specific moment. This is useful for diagnosing conditions and assessing static parameters.

Dynamic imaging, on the other hand, involves the acquisition of a series of images over time, capturing the temporal behavior of radiotracers as they distribute and clear from tissues. This technique allows for detailed analysis of physiological processes, such as blood flow or metabolic activity, providing insights into the dynamic functions of tissues and organs.

When direct measurement is employed in PET, both forms of imaging are utilized, combining their strengths to provide a comprehensive view of the physiological processes under investigation. This capability enhances the diagnostic value of the imaging performed, facilitating better assessments of various conditions based on both static distributions and dynamic biological processes.