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Related Experiment Videos

Positron emission tomography.

A A Lammertsma, R S Frackowiak

    Critical Reviews in Biomedical Engineering
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Positron computed tomography (PCT) enables in vivo measurement of tissue concentration for various metabolic processes. This review covers PCT principles, instrumentation, tracer models, and clinical applications for physiological data extraction.

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    Area of Science:

    • Nuclear medicine
    • Medical imaging
    • Physiology

    Background:

    • Positron computed tomography (PCT) allows in vivo measurement of positron-emitting radionuclides.
    • Various metabolic processes can be quantified using different tracers.

    Purpose of the Study:

    • To review the principles and instrumentation of PCT.
    • To analyze tracer models for physiological data extraction.
    • To evaluate clinical studies for new pathophysiological information.

    Main Methods:

    • Discussion of PCT principles and instrumentation advancements.
    • Analysis of tracer kinetic models for quantitative measurements.
    • Evaluation of clinical studies utilizing PCT.

    Main Results:

    Related Experiment Videos

    • PCT enables quantification of blood flow, oxygen and glucose utilization, amino acid transport, blood volume, cation exchange, and pH.
    • Tracer models are crucial for deriving physiological data from activity measurements.
    • Clinical studies provide new pathophysiological insights.

    Conclusions:

    • Positron computed tomography is a powerful tool for in vivo metabolic process quantification.
    • Advancements in instrumentation and tracer modeling enhance its diagnostic capabilities.
    • PCT offers significant potential for uncovering new pathophysiological information in clinical studies.