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Pediatric renal abscess: clinical analysis and literature review

Jianxin Sun1, Lina Shi2, Lezhen Ye1

  • 1Department of Paediatrician, Women's and Children's Hospital of Ningbo University, Ningbo, China.

Frontiers in Pediatrics
|May 13, 2025
PubMed

Insights

Pediatric renal abscesses present with atypical symptoms, often missed. Early diagnosis via imaging and prompt antibiotic treatment are crucial for preventing kidney damage in children.

Area of Science:

  • Pediatric Nephrology
  • Infectious Diseases
  • Diagnostic Imaging

Background:

  • Pediatric renal abscesses are severe infections with challenging diagnosis due to atypical symptoms.
  • Delayed or inadequate treatment risks prolonged hospitalization and irreversible kidney damage.

Purpose of the Study:

  • To analyze clinical characteristics of pediatric renal abscesses.
  • To guide early diagnosis and timely, appropriate treatment strategies.

Main Methods:

  • Retrospective analysis of 12 pediatric renal abscess cases (October 2018 - March 2023).
  • Reviewed clinical data, laboratory tests, imaging studies (CT/MRU), and treatment outcomes.

Main Results:

  • 12 cases (3 male, 9 female, 7 months-12 years) presented with fever, abdominal pain, and elevated inflammatory markers (WBC, CRP, PCT).
  • Imaging revealed abscesses <3 cm; urine/blood cultures were negative.
  • Treatment with cephalosporins +/- linezolid resulted in resolution within 10-21 days.

Conclusions:

  • Pediatric renal abscesses exhibit atypical symptoms, necessitating high clinical suspicion.
  • Elevated inflammatory markers and imaging (CT/MRU) are key for early diagnosis.
  • Conservative antibiotic therapy is effective for small renal abscesses (<3 cm).
Abstract

Keywords:
abscessmanagementpediatricrenalreview

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