Case 185. Herpetic folliculitis (65 y-o M)
    Follicle-centered, ulcerative nodules on the chin after using steroid ointment (biopsy)    
Key words : herpes simplex virus, folliculitis, steroid
opportunistic infection
This immunocompromised inpatient has a history of repeated herpetic chilitis.   Severe destructive change of the hair follicle results in the ulceration and abscess formation (HE, low power).
The destructive hair follicle epithelium contains haloed intranuclear inclusions. Acantholytic change is evident (HE, high power).