Monday, January 2, 2012

Case of the Week 190

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

(Hematoxylin and Eosin, x1000)

Many thanks to Dr. Holkmann Olsen for donating this great case!


Matthew Rollosson said...

Demodex folliculorum

Anonymous said...

I would sign it out as Demodex sp. This H&E section doesn't show whether the parasite is in the sebaceous gland (D. brevis) or in just the hair follicle (D. folliculorum). bw in vt

Parasite spy said...

Demodex folliculorum