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Unusual case of ascites secondary to unilateral distal ureteric obstruction in an infant
  1. Amirtha Vahini Chinnadurai,
  2. Joyce Soo Synn Hong and
  3. Hasniah Abdul Latif
  1. Department of Paediatrics, Universiti Kebangsaan Malaysia Medical Centre, Cheras, Kuala Lumpur, Malaysia
  1. Correspondence to Dr Hasniah Abdul Latif; hasniah{at}


Congenital obstructive uropathy is a rare cause of ascites in infants. Majority of reported cases of genitourinary causes of ascites were due to posterior urethral valve. Here, we report a 6-month-old boy who presented with progressive tense ascites and peritonitis attributed by unilateral left distal ureteric obstruction and acute pyonephrosis. He underwent left nephrostomy placement, after which there was a remarkable improvement of ascites. He then underwent left ureteral diversion procedure a month later with a tentative plan for ureteral reanastomosis in 6 months. To date, there are no reports describing ascites secondary to distal ureteric obstruction beyond the neonatal period. The objective of this case report is to highlight unilateral urinary tract obstruction as a potential cause of transudative ascites. Additionally, the superimposed infection in the obstructed collecting system can lead to acute peritonitis likely due to translocation of bacteria into the peritoneal cavity.

  • urology
  • congenital disorders
  • paediatrics

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  • Contributors AVC and JSSH wrote and conceptualised the clinical case, compiled and interpreted the relevant data, drafted the manuscript and approved the final version of the manuscript. The corresponding author, HAL, as a consultant, provided overall supervisory support, revised and edited the manuscript and approved the final version of the manuscript. All authors of this manuscript have read and approved the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.