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Giardiasis mimicking inflammatory bowel disease

T S Gunasekaran1, E Hassall

  • 1Division of Pediatric Gastroenterology, British Columbia Children's Hospital, Vancouver, Canada.

The Journal of Pediatrics
|March 1, 1992
PubMed

Insights

Giardiasis, an infection with Giardia lamblia, can mimic inflammatory bowel disease in children. Prompt diagnosis and metronidazole treatment led to complete recovery, highlighting its importance in pediatric differential diagnoses.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Microbiology

Background:

  • Inflammatory bowel disease (IBD) presents with complex systemic symptoms in adolescents.
  • Differentiating IBD from other conditions is crucial for effective treatment.

Observation:

  • An adolescent presented with symptoms strongly indicative of IBD.
  • Endoscopic biopsies revealed Giardia lamblia trophozoites in both the terminal ileum and duodenum.

Findings:

  • The patient's condition showed rapid and complete resolution following metronidazole therapy.
  • Microscopic identification of Giardia lamblia confirmed the causative agent.

Implications:

  • Giardiasis should be considered in the differential diagnosis of pediatric inflammatory bowel disease.
  • This case underscores the importance of considering parasitic infections in pediatric gastrointestinal disorders.
  • Timely diagnosis and antiparasitic treatment can prevent misdiagnosis and ensure favorable outcomes.

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