Case of the Week 600

Wow, I can't believe we are up to Case of the Week 600! To celebrate, my awesome technical specialist, Emily Fernholz, made me this lovely composite image. Click on the image here to enlarge and see all of the smaller pictures making up the larger image. Can you tell me what it is, and why it is appropriate for this week's case?

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.

Answer to Case 600:

Lovely ectoparasite collage of a larval tick of Rhipicephalus sp.

Bobbi Pritt, M.D.

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.