A 41-year-old man with a history of tuberculosis presents with cough and hemoptysis. Sputum smear shows acid-fast bacilli. He also has watery diarrhea and thrush. CD4 count is 85/μL. Stool sample reveals oval cysts with a partial wall, and intestinal biopsy shows the organism within enterocytes. Which of the following organisms is responsible for his diarrhea?

  1. A)Cryptosporidium parvumGABARITO
  2. B)Entamoeba histolytica
  3. C)Isospora belli
  4. D)Giardia lamblia
  5. E)Candida albicans

Explicação

Cryptosporidium parvum is an intracellular parasite causing severe watery diarrhea in severely immunocompromised patients (CD4 <200/μL). Oocysts are acid-fast positive with partial wall. Organisms are visible within enterocytes on biopsy. The disease is self-l... Ver explicação completa e trilha adaptativa →

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