Perspectives

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case, generously donated by Dr. Tara Ness, with filming credit to the Lab Hlathi Team in eSwatini. See a video of this parasite here. The following arthropod was found in the urine specimen of a man with HIV and a history of dysuria. What’s the identification?

By Bobbi Pritt, M.D. • June 12, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case, from Idzi Potters and the Institute of Tropical Medicine in Antwerp, features 1-cm long structure was extracted from a Belgian patient returning from Ghana. What’s the identification?

By Bobbi Pritt, M.D. • June 5, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features two different types of objects seen in a trichrome-stained stool specimen that was screened by a digital slide image and machine learning platform. How did it do? Did it find real parasites?

By Bobbi Pritt, M.D. • May 29, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features the following worm noted in the toilet of a patient with an extensive international travel history. See a video of this parasite here. What’s the identification?

By MCL Education • May 22, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features an interesting finding in a concentrated stool specimen. The individual structures are approximately 25 micrometers in length, while the longer tubular structure is 330 micrometers long. What’s the identification?

By Bobbi Pritt, M.D. • May 15, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features multiple small (3-6 µm), round structures identified after a stool specimen was submitted for parasite examination. The patient is a 15-year-old boy returning from swimming camp, who presents with several-day history of profuse watery diarrhea. What’s the identification?

By Bobbi Pritt, M.D. • May 8, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following structures were seen on a non-nutrient agar culture that had been inoculated with corneal scrapings. What’s the identification?

By Bobbi Pritt, M.D. • May 1, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features objects found in a middle-aged male patient’s stool. Individually, they measured approximately 1 cm in length. What’s the identification?

By Bobbi Pritt, M.D. • April 24, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features objects seen in a human stool specimen and measure approximately 80 micrometers in length. What’s the identification?

By Bobbi Pritt, M.D. • April 17, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features a finding in a concentrated stool specimen. The scale bars each represent 2.5 micrometers. What’s the identification?

By Bobbi Pritt, M.D. • April 10, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case: “Your boss brings in some wormy things and mentions that ‘his cat regurgitated these in the morning’.” What is your diagnosis? Risk for humans?

By Bobbi Pritt, M.D. • April 3, 2019

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case features objects seen in a liver cyst aspirate. What’s the identification?

By Bobbi Pritt, M.D. • March 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 found in stool of a toddler living in the Oceania region. There were motile and described as “rice like”. Microscopic examination of the expressed material revealed structures measuring 25-35 µm in diameter. What’s the identification?

By Bobbi Pritt, M.D. • March 20, 2019