Case of the Week 559

This week's case is our monthly case by Idzi Potters and the Institute of Tropical Medicine, Antwerp. It's short and sweet: The following was found in a stool specimen from a 3-year-old child with diarrhea. It measures approximately 80 micrometers in diameter. 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 has posted going back to 2007 (in an easy-to-search "A through Z" format) and also offers a flashcard feature.

Answer to Case 559:

Hymenolepis diminuta

Bobbi Pritt, M.D.

Bobbi Pritt, M.D.

Bobbi Pritt, M.D., is Director of the Clinical Parasitology Laboratory in Mayo Clinic's Department of Laboratory Medicine and Pathology. Her research interests are in clinical parasitology, vector-borne diseases, trainee education, and appropriate test utilization.