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Related Experiment Videos

Periureteral thin-needle aspiration biopsy

Z L Barbaric, P K MacIntosh

    Urologic Radiology
    |January 1, 1981
    PubMed
    Summary

    Transperitoneal thin-needle aspiration biopsy is an effective method for diagnosing ureteral obstruction in cancer patients. This biopsy accurately identifies metastatic carcinoma, guiding crucial clinical management decisions.

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    Area of Science:

    • Oncology
    • Urology
    • Diagnostic Imaging

    Background:

    • Ureteral obstruction is a common complication in patients with known malignancy.
    • Distinguishing between treatment complications and recurrent metastatic carcinoma can be challenging after abdominal surgery or radiation therapy.

    Purpose of the Study:

    • To evaluate the utility of transperitoneal thin-needle aspiration biopsy in diagnosing the cause of ureteral obstruction in cancer patients.
    • To compare the diagnostic accuracy of biopsy with other imaging modalities and surgical procedures.

    Main Methods:

    • A series of 32 patients with known malignancy and ureteral obstruction underwent transperitoneal thin-needle aspiration biopsy.
    • Diagnostic accuracy was compared with computed tomography (CT), excretory urography, explorative surgery, and laparoscopy.

    Main Results:

    • Transperitoneal thin-needle aspiration biopsy revealed metastatic tumor in 18 out of 32 patients.
    • The procedure demonstrated higher specificity compared to CT, excretory urography, and other imaging modalities.
    • Biopsy results significantly altered clinical management for affected patients.

    Conclusions:

    • Transperitoneal thin-needle aspiration biopsy is a valuable and specific tool for diagnosing ureteral obstruction in cancer patients.
    • This minimally invasive procedure offers an acceptable alternative to explorative surgery and laparoscopy.
    • Accurate diagnosis through biopsy enables timely and appropriate clinical management adjustments.

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