knee replacement skin

Pruritic Dermatitis – Friday Pop Quiz 10/15/2021
A 57 year-old-female is post-op day 2 from a knee replacement. Dermatology is consulted for the dermatitis seen here. It is pruritic, and has not responded to 1% hydrocortisone. What is the most likely etiology of the physical findings? A. Allergic contact dermatitis to a soap or other topical application B. Irritant contact dermatitis due to excessive rubbing during the cleansing proces …