A HIV positive individual having diarrheal episodes stool examination reveals on oocyst of size 8-10 Micron, what could be the diagnosis?
Cyclospora
Cryptococcus
Cryptosporidium parvum
Isospora
Parasites Size of oocyst Cryptosporidium parvum 4-6 micron Cyclospora 8-10 micron Isospora 23-36 micron They all are acid fast so the appear similar in colour under acid fast stain. So, size of oocyst is used to identify them.
JIPMER 2017