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Updated: Aug 7, 2025

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
Published on: June 21, 2024
Antenatally Diagnosed Kidney Anomalies
Caoimhe S Costigan1, Norman D Rosenblum2
1Division of Nephrology, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G1X8, Canada.
Congenital kidney and urinary tract anomalies are a leading cause of chronic kidney disease in children. Early detection through improved prenatal care and ultrasonography aids in managing these common developmental disorders.
Area of Science:
- Pediatric Nephrology
- Developmental Biology
- Medical Diagnostics
Background:
- Congenital anomalies of the kidney and urinary tract (CAKUT) are a significant cause of pediatric chronic kidney disease.
- Kidney abnormalities represent the most frequent congenital anomaly diagnosed in children.
- Increased detection rates are linked to advancements in antenatal care and sensitive ultrasonography screening.
Purpose of the Study:
- To provide a comprehensive overview of congenital kidney anomalies in children.
- To emphasize the importance of understanding CAKUT classification, investigation, and management principles.
- To guide pediatricians in the appropriate care of children with these conditions.
Main Methods:
- Review of current literature on congenital kidney and urinary tract anomalies.
- Analysis of diagnostic trends and their impact on detection rates.
- Synthesis of information regarding classification, investigation, and management strategies.
Main Results:
- CAKUT collectively account for the majority of childhood chronic kidney diseases.
- Ultrasonography and improved antenatal care have significantly increased the detection of kidney anomalies.
- A wide spectrum of CAKUT disorders requires a broad understanding for effective pediatric care.
Conclusions:
- Congenital kidney anomalies are a major contributor to pediatric chronic kidney disease.
- Enhanced diagnostic capabilities are improving early identification of CAKUT.
- Pediatricians need a robust understanding of CAKUT to ensure optimal patient management.
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