Case 1
A 45-year-old woman, originally from Africa, presented to her primary care provider with
diarrhea, nausea, vomiting, weight loss and gastritis. The symptoms occurred
approximately 3 months post kidney transplant. Stool was collected in formalin and
polyvinyl alcohol (PVA) for routine ova-and-parasite examination. A wet mount was made
from the formalin-preserved stool and observed microscopically by the attending
pathologist. Images were captured at 400x magnification and sent to the DPDx Team for
diagnostic assistance. Figure show two of the images received for evaluation. Size was not
included in the initial inquiry. What is your diagnosis? Based on what criteria?