Case 23
A 45-year-old Korean man was assigned to perform construction work in the Philippines.  He went to a local hospital in the Philippines for persistent diarrhea.  A stool examination was performed on a formalin fixed stool concentrate of his specimen.  The objects in the following images were seen at 400×.  What is your diagnosis?  Based on what criteria?

A	B

Acknowledgement: This case was kindly contributed by the College of Public Health, University of the Philippines, Manila.

Click here for the answer to Case 23.

Case 24
A 25-year-old woman, who immigrated from Angola, West Africa, went to a health clinic in Boston, MA complaining of fever, restlessness, and a sensation of something moving under her skin.  A routine blood examination, including a thick and a thin film, was performed.  The objects shown in the following images were seen.  What is your diagnosis?  Based on what criteria?

A	B

Click here for the answer to Case 24.