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).