This week's case was donated by Drs. Michael Mitchell and Theresa Smith. The following structures were seen on a Papanicolaou-stained anal Pap smear who had a history of squamous dysplasia. They measure approximately 55 micrometers long. What is your diagnosis?
6 comments:
Judging from the size, the location of the body, the one flat side of the egg and the presence of a folded larva inside, it is a case of Enterobius vermicularis infection.
Enterobius vermicularis eggs
Based on size, D-shaped, larvated egg and sample collected; it is Entrobius vermicularis egg
Enterobius vermicularis emryonated egg
I'm not an expert in this type of stain but I would guess that it's not a parasite. /Patrik
Definitely a parasite… enterobius
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