November, 2023

Year

A six-year-old girl presented with abdominal pain for a day and fever for 3 days. Pain developed over right lower quadrant and ultrasonography showed an appendicular mass. Appendicular mass was removed on surgery and sent to pathology. 

  1. Identify the parasite
  2. What is the treatment
  3. Describe the complications.
HPE sections of adult worm
HPE sections of adult worm
Eggs

Case answer – Posted on: 17-Nov-2023

  1. Trichuris trichiura –  Image a and b showing adult worm sections with thicker, short posterior end with uterus containing ova and fragments of the slender, whip-like anterior end, and Image c shows barrel shaped ova with thick shells and clear, mucoid “plugs” at each end
    • Location in Host: Large intestine, cecum, and appendix
  2. Treatment of choice: Albendazole 400 mg for 3 days or Mebendazole 100 mg twice daily for 3 days
  3. Complications
    • Trichuris dysentery syndrome – usually seen in children with high worm burden leading to diarrhoea, tenesmus, iron deficiency anaemia, and poor growth
    • Colitis, malabsorption, fat soluble vitamin deficiencies
    • Rectal prolapse

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