Papules, anthrax

Cutaneous Anthrax. Cutaneous anthrax occurs when anthrax spores enter the skin through cuts or abrasions. The affected area develops a small macule or papule that then ulcerates. A black painless eschar then follows, associated with extensive local edema and painful regional lymphadenopathy (see Figure 21.3). Systemic symptoms can follow. 

Symptoms of cutaneous anthrax infection begin with a painless papule at the site of infection 3-5 days after exposure. After 24-36 h, the papule progresses to a vesicle 1-2 cm in diameter. Once the lesion mptures, it slowly... 

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