Case of the Week 563

By Bobbi Pritt, M.D. • October 9, 2019

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It's time for our first case of the month by Idzi Potters and the Institute of Tropical Medicine, Antwerp. The patient is a 50-year-old Belgian patient, who is returning from Italy with intestinal complaints and coughs up the following worm. 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 563:

Anisakid larva, not Anisakis species.

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.