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Related Experiment Videos

Imaging the urinary tract.

G D Shackelford1, D Kees-Folts, B R Cole

  • 1Edward Mallinckrodt Department of Radiology, Washington University School of Medicine, St. Louis, Missouri.

Clinics in Perinatology
|March 1, 1992
PubMed
Summary
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Prenatal ultrasound (US) aids in diagnosing urinary tract malformations. Understanding normal fetal urinary tract development is crucial to avoid misdiagnosing physiologic dilatation as hydronephrosis.

Area of Science:

  • Fetal medicine
  • Pediatric radiology
  • Urology

Background:

  • Ultrasound (US) has revolutionized prenatal diagnosis of urinary tract malformations.
  • Physiologic dilatation of the fetal renal pelvis can mimic hydronephrosis.
  • Understanding normal gestational urinary tract development is essential for accurate interpretation.

Purpose of the Study:

  • To emphasize the importance of understanding normal fetal urinary tract development.
  • To highlight the role of prenatal diagnosis in managing congenital anomalies.
  • To guide postnatal evaluation and potential interventions for high-risk infants.

Main Methods:

  • Review of ultrasound imaging in fetal medicine.
  • Correlation of gestational age with urinary tract morphology.

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  • Discussion of diagnostic criteria for fetal hydronephrosis.

    • Main Results:

    • Prenatal US can diagnose most urinary tract malformations.
    • Normal physiologic dilatation may be misinterpreted as pathology.
    • Accurate diagnosis requires knowledge of normal developmental variations.

    Conclusions:

    • Gestational diagnosis impacts family counseling and perinatal team collaboration.
    • Prompt postnatal imaging is vital for infants with suspected urinary tract disease.
    • Multimodality imaging may enhance diagnostic accuracy and functional assessment.