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Related Experiment Videos

Urinoma

D McInerney, A Jones, J Roylance

    Clinical Radiology
    |May 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    A urinoma is a collection of extravasated urine, often caused by renal injury or obstruction. Early diagnosis of this encapsulated mass is crucial for effective treatment.

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    Area of Science:

    • Urology
    • Radiology
    • Nephrology

    Background:

    • A urinoma is an encapsulated collection of extravasated urine.
    • It can result from renal injury, surgery, or spontaneous obstruction.
    • Key factors include renal function, collecting system rupture, and distal obstruction.

    Observation:

    • Urine extravasation is localized within the perirenal fascia.
    • This triggers a significant fibrous reaction, forming a thick wall around the collection.
    • Clinical signs include malaise, abdominal pain, weight loss, and a palpable mass.

    Findings:

    • Plain films may show a mass obscuring retroperitoneal landmarks.
    • High-dose excretion urography can reveal renal displacement, hydronephrosis, and contrast extravasation.
  • Ultrasound-guided renal puncture is indicated if renal function is insufficient for urography.

    • Implications:

    • Prompt diagnosis is essential for successful urinoma management.
    • Understanding the pathophysiology aids in identifying at-risk patients.
    • Imaging modalities play a critical role in diagnosis and treatment planning.