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Related Experiment Videos

Sonographic evaluation of the nonfunctioning kidney.

M Behan, D Wixson, E Kazam

    Journal of Clinical Ultrasound : JCU
    |December 1, 1979
    PubMed
    Summary
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    B-mode ultrasound accurately diagnoses unilateral renal nonfunction in 92% of cases. Specific views improve hydronephrosis diagnosis, potentially avoiding invasive procedures like retrograde pyelography.

    Area of Science:

    • Nephrology
    • Radiology
    • Medical Imaging

    Background:

    • Unilateral renal nonfunction and severe azotemia present diagnostic challenges.
    • Accurate identification of the underlying cause is crucial for patient management.
    • B-mode ultrasound is a non-invasive imaging modality with potential in evaluating renal abnormalities.

    Purpose of the Study:

    • To review the diagnostic utility of B-mode ultrasound in patients with unilateral renal nonfunction or severe azotemia.
    • To assess the accuracy of sonographic findings in determining the cause of renal nonfunction.
    • To describe specific ultrasound techniques for improving diagnostic reliability, particularly for hydronephrosis.

    Main Methods:

    • Retrospective review of B-mode ultrasound examinations in 113 consecutive patients with unilateral renal nonfunction or severe azotemia.

    Related Experiment Videos

  • Correlation of sonographic findings with final diagnoses, including hydronephrosis, parenchymal disease, agenesis, and vascular occlusive disease.
  • Description of a specific coronal view technique for diagnosing hydronephrosis.

    • Main Results:

    • Sonographic findings were consistent with the final diagnosis in 92% of cases.
    • Identified causes of nonfunction included hydronephrosis, parenchymal disease, renal agenesis, cystic kidney diseases, and vascular occlusive disease.
    • The described coronal view, combined with transverse views, enhanced the reliability of hydronephrosis diagnosis.

    Conclusions:

    • B-mode ultrasound is a highly accurate tool for evaluating unilateral renal nonfunction and severe azotemia.
    • Specific ultrasound techniques can improve diagnostic accuracy for conditions like hydronephrosis.
    • Normal sonographic findings can exclude obstruction, potentially obviating the need for retrograde pyelography.