Creepy Dreadful Wonderful Parasites

A businessman recently returned from India with recurring fevers and malaise.  The following were seen on peripheral blood films.  Identific...

Answer:  Infection with Plasmodium vivax There was a lot of great discussion on this case!  The definitive features for identification as ...

The following was sent to the parasitology laboratory for identification: The accompanying fluid was centrifuged and the pellet was...

Answer:  Proglottids of Diphyllobothrium sp.  As leo-a-go-go said, "...no way of speciating it by microscopy alone, without a geograp...

The following were observed in the stool of a 50 year old male with hepatosplenomegaly from Egypt.  Identification? (CLICK ON IMAGES TO ENLA...

Answer:  Schistosoma mansoni eggs This was a bit of a 'trick' case, since many of the lateral spines were skewed and therefore som...

The following was an incidental finding on colon biopsy.  The referring pathologist queried if this could be a small parasite.  Identificati...

Answer:  Plant material, or as bks and zanarditos said "Not a parasite! Cell wall+outer coat make me think of a SEED!" I agree t...

The following fluid-filled objects were submitted to the parasitology lab for identification in Ecofix preservative (hence the slight green ...

Answer:  Echinococcal cysts of E. granulosus As several viewers pointed out, daughter cysts of E. granulosus can be surgically removed and...