A 20-year-old male with leukemia presents with watery diarrhea of two weeks duration, nausea, weight loss, and anorexia. A stool sample is submitted for routine culture and ova and parasite examination. The routine culture is negative for Salmonella, Shigella, Campylobacter, Yersinia enterocolitica, and shiga-toxin producing E. coli. The concentrated wet mount exam and trichrome stained stool smear are negative. Additional testing revealed the organism as seen in the image provided.
Source: CDC/DPDx - Melanie Moser
Knowing the organism measures 9 m, you would identify it as
A) Cryptosporidium parvum.
B) Cyclospora cayetanensis.
C) microsporidia.
D) yeast.
Correct Answer:
Verified
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