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. The following were seen in a bacterial culture from a stool specimen. What do you think the clinical significance is?

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

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week presents two related cases from stool specimens. Can anyone put this whole picture together for us?

By Bobbi Pritt, M.D. • November 25, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following structures were seen in lung cyst fluid. What's the identification?

By Bobbi Pritt, M.D. • November 11, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following are the patient's peripheral blood films, with a past history of malaria and an incomplete course of anti-malarial therapy. What's the identification?

By Bobbi Pritt, M.D. • November 4, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following object was submitted for identification. No clinical history was available. What's the identification?

By Bobbi Pritt, M.D. • October 28, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following was submitted for identification. What is shown here? And what does the red arrow in the first image point to?

By Bobbi Pritt, M.D. • October 21, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following structures were seen in a stool sample from a 2-year old child from a rural southern Australia with mucoid diarrhea, abdominal pain, and poor weight gain. What's the identification?

By Bobbi Pritt, M.D. • October 14, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. In this week's case, The following structure was seen in urine sediment. What's the identification?

By Bobbi Pritt, M.D. • October 7, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. In this week's case, the following eggs were seen in an ulcerated area of an intestinal biopsy. What's the identification?

By Bobbi Pritt, M.D. • September 30, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following specimen was brought in by a patient after finding it near his eye upon awakening. What's the identification?

By Bobbi Pritt, M.D. • September 23, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week's case features the following seen on skin scrapings from a young man with a 2-month history of severe itching in the back of his left ear. What's the identification?

By Bobbi Pritt, M.D. • September 16, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week's case is from a middle-aged man. He noticed it in the toilet after a bowel movement. What's the identification?

By Bobbi Pritt, M.D. • September 9, 2020

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week's case features a histopathology section of an appendix from a patient with Crohn's disease. What's the identification?

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