Perspectives

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following were seen in skin scrapings collected from a middle-aged man complaining of itching. The motile objects measure approximately 0.3 mm in length. What’s the identification?

By Bobbi Pritt, M.D. • February 19, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following objects were seen in an EDTA blood specimen obtained from a patient with recent travel to sub-Saharan Africa. What’s the identification? What additional analysis might be indicated?

By Bobbi Pritt, M.D. • February 12, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following were seen in a direct wet preparation of an unfixed stool specimen from a patient with bloody diarrhea and recent travel to sub-Saharan Africa. What’s the identification?

By Bobbi Pritt, M.D. • February 5, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The structures in question were seen in H&E-stained sections of small bowel. What’s the identification?

By Bobbi Pritt, M.D. • January 29, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The specimen below was submitted by a young woman who found this “worm” by her arm, right below her mouth, upon waking from a nap. What’s the identification?

By Bobbi Pritt, M.D. • January 22, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following worm was found in a specimen obtained during a colonoscopy. It measured approximately 2 mm long. What’s the identification?

By Bobbi Pritt, M.D. • January 15, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. Happy New Years everyone! Can anyone tell who this little arthropod is?

By Bobbi Pritt, M.D. • January 2, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. Happy Holidays to all readers! Can anyone tell what this little arthropod is?

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

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is Dr. Charles (Chuck) Sturgis. He noted the following structures on a Papanicolaou-stained anal Pap smear (performed for cancer screening). They measure approximately 14 micrometers in length. What’s the identification?

By Bobbi Pritt, M.D. • December 18, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s cool case is from Dr. Marta Maia. The specimen is skin currettings, and the object was viewed using a dissecting microscope. What’s the identification?

By Bobbi Pritt, M.D. • December 11, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is the first case of the month, a regular feature by Idzi Potters and the Institute of Tropical Medicine, Antwerp. The following objects were seen in an unstained duodenal aspirate specimen. What’s the identification?

By Bobbi Pritt, M.D. • December 4, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case was generously donated by Dave Neitzel at the Minnesota Department of Health. A mutant headless tick! Wouldn’t it be great if they were all this way? What’s the genus of this tick?

By Bobbi Pritt, M.D. • November 27, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case was captured by my awesome Parasitology Education Specialist, Felicity Norrie, MLS(ASCP). The following were identified from skin scrapings from a resident of a skilled nursing facility. What’s the identification?

By Bobbi Pritt, M.D. • November 20, 2019