Case 185. Herpetic folliculitis (65 y-o M)

　 　 　 　
　 Follicle-centered, ulcerative nodules on the chin after using steroid ointment (biopsy) 　
　 　 　 　

　

 　 The destructive hair follicle epithelium contains haloed intranuclear inclusions. Acantholytic change is evident (HE, high power).