Case of the Week 561

By Bobbi Pritt, M.D. • September 25, 2019

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This week's case features photos and videos from my fabulous Technical Specialists, Heather Arguello and Emily Fernholz. The following were seen in bronchoalveolar lavage fluid. See a video of this parasite here. 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 561:

Strongyloides stercoralis L3 (filariform) larvae

Bobbi Pritt, M.D.

Bobbi Pritt, MD, MSc, is a Professor of Laboratory Medicine and Pathology and the Director of the Clinical Parasitology Laboratory at Mayo Clinic in Rochester Minnesota. She is also the Chair of the Division of Clinical Microbiology. Her research interests are in clinical parasitology, vector-borne diseases and the pathology of infectious diseases.