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!

3 comments:

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