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    This study introduces a robotic imaging system for liver cancer radioembolization, simplifying the procedure by acquiring SPECT/CT scans in the angiography suite. This innovation aims to improve surgical speed and safety by reducing patient movement and repeat catheterizations.

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    Area of Science:

    • Medical Imaging
    • Robotics in Medicine
    • Nuclear Medicine

    Background:

    • Current radioembolization for hepatic carcinoma lacks real-time interventional imaging.
    • The existing procedure involves multiple patient transfers between angiography and SPECT/CT suites.
    • This multi-step process increases procedural time and potential complications.

    Purpose of the Study:

    • To propose and demonstrate a novel robotic imaging setup for interventional SPECT/CT in the angiography suite.
    • To simplify the radioembolization procedure for hepatic carcinoma.
    • To enable faster and safer surgical interventions through integrated imaging.

    Main Methods:

    • Development of a robotic imaging system integrating a C-arm CT and a co-calibrated gamma camera.
    • Generation of personalized gamma camera trajectories using C-arm CT data.
    • Acquisition of interventional SPECT/CT data directly within the angiography suite.
    • Demonstration of feasibility using a liver phantom study.

    Main Results:

    • Successful development of a robotic imaging setup for interventional SPECT/CT.
    • Demonstrated feasibility of personalized SPECT/CT acquisition co-registered with C-arm CT.
    • The phantom study confirmed the potential for integrated imaging during radioembolization.

    Conclusions:

    • The proposed robotic interventional SPECT/CT approach can streamline radioembolization procedures.
    • This integrated imaging system has the potential to enhance surgical precision and patient safety.
    • Further validation in clinical settings is warranted.