Creepy Dreadful Wonderful Parasites

This week's case has been generously donated by Blaine Mathison at ARUP. Two different types of objects were seen in a trichrome-stained...

Answer: Blastocystis sp. and Entamoeba sp. From Blaine: These images were captured by software trained to detect intestinal protozoa in tr...

This week's case was donated by Dr. David Pritchard. The following worm was noted in the toilet of a patient with an extensive internati...

Answer: Not a human parasite: earthworm (Phylum Annelida, subclass Oligochaeta, Family Lumbricidae). It could very well be a Lumbricus speci...

This week's case features an interesting finding in a concentrated stool specimen. The photos are from my awesome technical specialist, ...

Answer to Parasite Case of the Week 544 : Ascus with ascospores (presumed mushroom) spores. Interestingly, it is morel season in many parts ...

This week we are featuring our monthly case from Idzi Potters and the Institute of Tropical Medicine, Antwerp . The patient is a 15 year o...

Answer to Parasite Case of the Week 543 : Cryptosporidium sp. oocysts The case shows how Cryptosporidium oocysts look in a variety of diff...

This week's case is a lovely gif image compiled by our excellent parasitology technical specialist, Heather Arguello. The following stru...

Answer to Parasite Case of the Week 542 : Acanthamoeba sp. trophozoite and cysts The free-living amebae,  Acanthamoeba species and  Naegle...