Creepy Dreadful Wonderful Parasites

The week's case is a tough one! The following were found in the stool of animal handler with exposure to primates. The objects shown me...

Answer: Bertiella sp. eggs Great job everyone! I thought this would be a tough one, but received lots of correct answers. Bertiella is a ...

The following hematoxylin and eosin (H&E) stained sections of brain are from a 1-year old child with fatal meningoencephalitis. The chi...

Answer: Baylisascaris procyonis , the raccoon intestinal roundworm Eggs of this nematode get into the environment and may be accidentally i...

The following arthropods were found on a 50-year old man and were submitted for identification to the clinical parasitology laboratory. No ...

Answer: Pediculus humanus , body or head lice. It is not possible to tell body lice and head lice apart morphologically, although as L.R. s...

The following was seen on skin biopsy within a hair follicle. How would you sign this case out? (CLICK ON IMAGE TO ENLARGE) (Hematoxylin an...

Answer: Demodex mite These ubiquitous ectoparasites are found on most individuals in hair follicles ( Demodex folliculorum ) and sebaceous...

Dear Readership of Creepy Dreadful Wonderful Parasites, May you have a wonderful holiday season with friends and family! Thank you for your...

Answer: Phthirus pubis , a.k.a the crab louse, or as my readers said: "the Yuletide pubic louse ", "Pthirus barbae viridis :...