Image Quiz: Dermatology—An itchy fox terrier

Aug 31, 2010

This older fox terrier has a history of previously seasonal glucocorticoid-responsive pruritus. In the past year, her pruritus has become nonresponsive to glucocorticoids, and she has developed a greasy truncal coat.

A skin scraping is performed, and the results are pictured (100X magnification).

What is your diagnosis?

a) Infection with Demodex injai

b) Infection with Demodex canis

c) Infection with Demodex folliculorum

d) Infection with Demodex gatoi