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Ultrasound-guided biopsy.

S Smith

    Seminars in Veterinary Medicine and Surgery (Small Animal)
    |February 1, 1989
    PubMed
    Summary

    Ultrasound-guided biopsy is a feasible technique for canine liver and kidney biopsies, yielding adequate samples with Vim-Silverman and Tru Cut methods. This noninvasive approach offers advantages over traditional methods, enhancing diagnostic capabilities in veterinary medicine.

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    Area of Science:

    • Veterinary Medicine
    • Diagnostic Imaging
    • Surgical Pathology

    Background:

    • Ultrasound-guided biopsy is a minimally invasive diagnostic technique.
    • Percutaneous biopsy methods in veterinary medicine often lack direct visualization.
    • Accurate tissue sampling is crucial for diagnosing liver and kidney diseases in dogs.

    Purpose of the Study:

    • To evaluate the feasibility and efficacy of ultrasound-guided biopsy in canine liver and kidney.
    • To compare different biopsy instruments for tissue acquisition in these organs.
    • To assess the diagnostic yield of ultrasound-guided biopsy for histopathological examination.

    Main Methods:

    • Ultrasound-guided liver and kidney biopsies were performed on dogs.
    • Franklin modified Vim-Silverman and Tru Cut biopsy needles were utilized.
    • Fine-needle aspiration was also performed for comparison.

    Main Results:

    • Ultrasound-guided biopsy with Vim-Silverman and Tru Cut needles provided adequate samples for liver and kidney.
    • Fine-needle biopsies of the liver were suitable for cellular evaluation but not structural assessment.
    • Renal fine-needle samples were of poor quality and quantity.
    • The technique was noninvasive, quick, and performed under local anesthesia.
    • Needle visualization during ultrasound guidance improved safety and allowed post-biopsy complication assessment.
    • This method avoids ionizing radiation, unlike radiographic biopsy procedures.

    Conclusions:

    • Ultrasound-guided biopsy is a safe, effective, and feasible technique for obtaining liver and kidney samples in dogs.
    • Vim-Silverman and Tru Cut biopsy needles are suitable for ultrasound-guided procedures in these organs.
    • This technique offers significant advantages over blind percutaneous biopsy and radiographic methods, enhancing diagnostic accuracy and patient safety.

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