Case 91. 

Herpes simplex virus-induced pharyngeal ulcer in the same case
　 　 　 　
　 Intranuclear inclusions are evident in the squamous epithelium at the edge of ulceration (HE). 　
　 　 　 　

　

 　 HSV is usually infective to the squamous epithelia and neurons. In this case, columnar epithelia are also extensively involved.