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Related Concept Videos

Disorders of the Urinary System01:20

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The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Troubleshooting Tips for Diagnosing Complex Fetal Genitourinary Malformations.

April M Griffith1, Paula J Woodward1, Anne M Kennedy1

  • 1From the Department of Radiology and Imaging Sciences, University of Utah Health, 30 N Mario Capecchi Dr, 2nd Floor South, Salt Lake City, UT 84112.

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Diagnosing fetal genitourinary anomalies requires careful evaluation. This guide offers troubleshooting tips for common findings like absent kidneys and dilated renal pelvis to improve pregnancy management.

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Area of Science:

  • Medical Imaging
  • Radiology
  • Fetal Medicine

Background:

  • Fetal genitourinary anomalies present diagnostic challenges.
  • Accurate diagnosis is crucial for patient counseling and management.
  • Complications like oligohydramnios and urinary ascites are common.

Purpose of the Study:

  • To provide troubleshooting strategies for diagnosing fetal genitourinary anomalies.
  • To aid radiologists in differentiating between various conditions.
  • To improve pregnancy management through accurate prenatal diagnosis.

Main Methods:

  • Review of diagnostic challenges in fetal genitourinary anomalies.
  • Utilizing advanced imaging techniques such as fetal MRI with specific sequences (T2-weighted, diffusion-weighted, gradient-recalled-echo).
  • Focusing on four key observations: unilateral absent kidney, dilated renal pelvis, cystic renal parenchyma, and megacystis.

Main Results:

  • Differential diagnoses for unilateral absent kidney include agenesis, fusion, or migration abnormalities.
  • Dilated renal pelvis may indicate ureteropelvic junction obstruction, reflux, or duplicated systems.
  • Cystic changes can represent multicystic dysplastic kidney or obstructive cystic dysplasia; megacystis has diverse causes.

Conclusions:

  • Accurate diagnosis of fetal genitourinary anomalies is vital for pregnancy management and outcomes.
  • Advanced imaging and specific sequences enhance diagnostic accuracy.
  • Troubleshooting common findings aids in narrowing the differential diagnosis and guiding clinical decisions.