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Related Experiment Videos

New techniques for CT-guided biopsies.

J R Haaga

    AJR. American Journal of Roentgenology
    |October 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Computed tomography-guided biopsies are improved with new techniques. The bolus biopsy method aids in assessing vascularity for cutting biopsies, while advanced scanners reduce radiation exposure during these procedures.

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    Area of Science:

    • Radiology
    • Medical Imaging
    • Interventional Radiology

    Background:

    • Computed tomography (CT)-guided biopsy procedures traditionally have limitations.
    • Assessing vascularity and radiation dose are key concerns.

    Purpose of the Study:

    • To introduce and evaluate two novel techniques for CT-guided biopsy.
    • To overcome existing shortcomings in biopsy procedures.

    Main Methods:

    • Utilizing the bolus biopsy technique to evaluate abnormality vascularity.
    • Employing fourth-generation scanning devices for low-dose CT imaging.
    • Performing cutting-type needle biopsies based on vascular assessment.

    Main Results:

    • The bolus biopsy technique facilitated routine use of cutting needles.

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  • Tissue was successfully recovered in 25 out of 29 cutting biopsies performed.
  • Low-dose scanning on advanced devices provided suitable images for biopsy.

    • Conclusions:

    • New techniques enhance the safety and efficacy of CT-guided biopsies.
    • Bolus biopsy improves specimen acquisition and vascular assessment.
    • Low-dose CT imaging reduces patient radiation exposure.