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Entries - Entry Category: Pathology - Starting with D


Diphtheria is a serious contagious disease caused by toxin-producing strains of the bacteria Corynebacterium diphtheriae. Typically occurring in childhood, diphtheria is transmitted from person to person through respiratory droplets or contaminated surfaces. The symptoms appear following an incubation period of two to five days and include fever, chills, sore throat, fatigue, and swollen lymph glands in the neck. The formation of an adherent, thick, grayish pseudomembrane in the throat distinguishes the disease. Respiratory diphtheria can be fatal due to either respiratory obstruction or heart and kidney failure. Cutaneous diphtheria is a skin infection that rarely causes serious systemic illness. Recovery does not confer lifelong immunity. In 400 BC, the ancient Greek physician Hippocrates provided an early description of diphtheria. It …