Diphtheria is caused by toxin producing strains of gram positve bacilli Corynebacterium diphtheriae. Epidemics occur when immunizaton coverage is inadequate. The characteristc pseudo membrane of diphtheria is formed by necrotc tssue, in?ammatory exudates, fbrin and colonies of the organism and bleeds on removal. Other di?erentals of membranous tonsillits include infectous mononucleosis, streptococcal pharyngits and Vincent’s angina. Diphtheria should be considered in all cases of membranous tonsillits in the appropriate epidemiological background, and anttoxin treatment should be initated promptly.
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