A young man presents to the emergency depament with a maculopapular rash 2 weeks after healing of a painless genital ulcer. The most likely etiological agent is:
Correct Answer: Treponema Pallidum
Description: Humans are the only natural reservoir of Treponema pallidum. It readily penetrates abraded skin and mucous membranes to multiply locally and spread through the blood stream or lymphatics. A developing maculopapular rash two weeks after a painless genital ulcer indicates a diagnosis of secondary syphillis. Ref: Primary care medicine: Office evaluation and management of the adult patient, by Allan H.Goroll,Albe G.Mulley, Page 989.
Category:
Skin
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