Leishmania donovani infection mimicking ulcerative colitis in an immuno-competent patient

Jonas Buttenschoen1, Kirsten Utpatel2, Laura Droesch1

  • 1Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology, Rheumatology, and Infectious Diseases, University Hospital Regensburg, Regensburg, Germany.

Insights

A rare case of long latent visceral leishmaniasis mimicked ulcerative colitis. Prompt diagnosis and treatment with liposomal Amphotericin B successfully eradicated the parasites.

Area of Science:

  • Infectious Diseases
  • Gastroenterology
  • Parasitology

Background:

  • Visceral leishmaniasis (VL) is a serious parasitic disease, often presenting with non-specific symptoms.
  • Long latent visceral leishmaniasis can pose diagnostic challenges, especially when gastrointestinal symptoms dominate.

Observation:

  • A 54-year-old immunocompetent male presented with parasitic colitis, splenomegaly, and pancytopenia.
  • The patient's condition initially mimicked ulcerative colitis (UC) both histopathologically and endoscopically.

Findings:

  • Parasitic identification confirmed visceral leishmaniasis, despite the absence of typical VL signs.
  • Treatment with liposomal Amphotericin B led to successful parasite eradication and clinical improvement.

Implications:

  • This case highlights the importance of considering parasitic infections in the differential diagnosis of inflammatory bowel disease-like presentations.
  • Early and accurate diagnosis of visceral leishmaniasis is crucial for effective treatment and preventing severe complications.
  • Raising awareness among clinicians about atypical presentations of visceral leishmaniasis can improve patient outcomes.