Case 75. Diphtheria (68 y-o M)

　 　 　 　
　
Pseudomembrane formed in the throat in a patient with fatal dyspnea
　
　 　 　 　

　

 　 The pharyngeal squamous mucosa is densely covered with faintly basophilic material (pseudomembrane). Moderate submucosal inflammation is seen here (HE).