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Related Experiment Videos

Surgical ligation clip artifacts on CT scans.

S C Gross, J B Kowalski, S H Lee

    Radiology
    |September 1, 1985
    PubMed
    Summary

    Different surgical ligation clips were tested for computed tomography (CT) artifacts. Absorbable polydioxanone clips produced the least image degradation, making them ideal for CT imaging.

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    Area of Science:

    • Medical Imaging
    • Biomaterials Science
    • Surgical Technology

    Background:

    • Surgical ligation clips are commonly used in medical procedures.
    • The presence of metallic surgical clips can cause artifacts in medical imaging.
    • Understanding the impact of different clip materials on imaging is crucial for accurate diagnosis.

    Purpose of the Study:

    • To evaluate and compare the computed tomography (CT) artifacts produced by surgical ligation clips made from various materials.
    • To identify which clip materials result in the least image degradation during CT scans.

    Main Methods:

    • Surgical ligation clips constructed from tantalum, stainless steel, titanium, and polydioxanone were immersed in a water-filled phantom.
    • The phantom containing the clips was scanned using computed tomography (CT).
    • Image quality and artifact severity were assessed for each clip material.

    Main Results:

    • Tantalum clips caused severe image degradation.
    • Stainless steel clips resulted in less severe degradation compared to tantalum.
    • Titanium clips produced minimal artifacts.
    • Polydioxanone clips, made from an absorbable polymer, were visible on CT scans with the least impact on image quality.

    Conclusions:

    • The material composition of surgical ligation clips significantly influences the degree of CT artifacts.
    • Absorbable polydioxanone clips demonstrate superior performance with minimal artifact generation in CT imaging.
    • Polydioxanone clips are a promising alternative for patients undergoing CT scans post-surgery.

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