Happy New Year! Our first case of 2020 was provided by Heather Arguello, my awesome Parasitology Technical Specialist. The following worm was found in a specimen obtained during a colonoscopy. It measured approximately 2 mm long. What's the identification?
Read Dr. Pritt's blog, Parasite Wonders, and submit your answers, comments, and questions. Also, visit her website ParasiteWonders.com, which hosts an archive of classic images from cases Dr. Pritt posted going back to 2007 (in an easy-to-search "A through Z" format) and also offers a flashcard feature.
Enterobius vermicularis (a.k.a., pinworm), adult male