A 7-year-old child from rural Haiti presents with persistent diarrhoea and malabsorption. Stool acid-fast stain reveals round oocysts approximately 8-...

Question

A 7-year-old child from rural Haiti presents with persistent diarrhoea and malabsorption. Stool acid-fast stain reveals round oocysts approximately 8-10 µm in diameter. The oocysts fluoresce blue-green under ultraviolet (UV) light microscopy. What is the most likely organism?

Accepted Answer

Cyclospora cayetanensis

Answer

Cryptosporidium parvum

Answer

Cystoisospora belli

Answer

Microsporidium

Answer

Giardia lamblia

uk-dtmh MCQ (SBA): Cyclosporiasis

A 7-year-old child from rural Haiti presents with persistent diarrhoea and malabsorption. Stool acid-fast stain reveals round oocysts approximately 8-10 µm in diameter. The oocysts fluoresce blue-green under ultraviolet (UV) light microscopy. What is the most likely organism?