Case 4
A 29-year-old woman had complaints of abdominal cramping and diarrhea that had been
persisting for 5 days. She went to a local clinic to determine what was causing her illness. A
stool specimen was collected in formalin and sent to the State Public Health Laboratory for
routine ova-and-parasite (O&P) examination. A wet mount preparation was made after
concentrating the specimen and was examined. The technician noticed suspicious round
objects and suggested that a Kinyoun’s modified acid-fast stain be performed. Figures A-C
show what was found on the acid-fast stained fecal smear. What is your diagnosis? Based
on what criteria?