Creepy, Dreadful, Wonderful Parasites

Creepy, Dreadful, Wonderful Parasites

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new case, along with the answer to the previous case. Dr. Pritt started her blog after she completed her fellowship at Mayo Clinic in clinical microbiology. She attended the London School of Hygiene and Tropical Medicine to study parasitology for one year. During that year in England, Dr. Pritt saw some amazing cases, which she shared with her colleagues back at Mayo through her blog. Through word of mouth, people from all walks of life around the globe have become interested in Dr. Pritt’s “case of the week,” and her readership continues to grow.

Note from Dr. Pritt: All opinions expressed here are mine and not my employer’s. Information provided here is for medical education only. It is not intended as, and does not substitute for, medical advice. I do not accept medical consults from patients.

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features objects seen in a stool specimen (direct wet prep) from a child with watery diarrhea. The objects measure approximately 40-45 µm in length. What’s the identification?

By Bobbi Pritt, M.D. • March 6, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features arthropods that are being reared to better understand their role as vectors of a human pathogen in the Belize region. What pathogen is this?

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

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following objects that were seen in a wet mount of a concentrated stool specimen. The specimen was obtained from a West African baboon, but this finding may also be seen in human stool specimens. What’s the identification?

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

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following that was noted in skin scrapings from an elderly man. What’s the identification?

By Bobbi Pritt, M.D. • February 13, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following objects that were seen on a wet mount (with iodine) of a concentrated stool specimen (400x original magnification). Size is between 15 and 20 µm in length. What’s the identification?

By Bobbi Pritt, M.D. • February 6, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following objects that were seen in a wet mount of a concentrated stool specimen from a 50-year-old woman. They measure approximately 50-60 micrometers in greatest dimension. What’s the identification?

By Bobbi Pritt, M.D. • January 30, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features a middle-aged man who recently returned from Tanzania. He presented with multiple furuncular lesions. What’s the identification?

By Bobbi Pritt, M.D. • January 23, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features a toddler who passed the following 15-cm long worm. What’s the identification?

By Bobbi Pritt, M.D. • January 16, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following worm. She was ripped in half, and only the anterior end was submitted to us. If intact, she would have measured approximately 1 cm long. What’s the identification?

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

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features an arthropod that was donated to Dr. Pritt. What’s the identification?

By Bobbi Pritt, M.D. • January 2, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following transmission electron microscopy images of a liquid-based stock culture that were used as a positive control. What’s the identification?

By Bobbi Pritt, M.D. • December 19, 2018

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features a whole slide image of an H&E-stained section from a bladder resection. What’s the identification?

By Bobbi Pritt, M.D. • December 12, 2018

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features a stool specimen from a traveler returning from Iran. No clinical data is available, nor any additional lab results. The photos show structures that were found in the patient’s stools. The average size of these objects is 42 x 25 µm. What’s the identification?

By Bobbi Pritt, M.D. • December 5, 2018