Monday, July 13, 2009

Case of the Week 77

The following organisms were found in a patient who presented with abdominal pain, bloody diarrhea, and a recent travel history to Mexico. They measure approximately 15 to 20 microns in greatest dimension. How should this be identified when using the stool ova and parasite examination alone? (CLICK ON IMAGES TO ENLARGE)


Neelam said...

Round worms (Ascaris/Trichuris)

Anonymous said...

E. histolytica

Rabies Lab Testing said...

Ent dispar/Ent histolytica, unable to separate as didnt see ingested RBCs

I would recommend additonal testing such as serology, stool PCR for E histo