Differential Diagnosis > Morphology > Reaction Patterns Expanded > Chancre

Chancre

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Chancre - describes the primary lesion of a disease; when that lesion evolves into an indolent ulcer with eroding characteristics

 

•atypical mycobacterium
•tuberculous chancre = primary innoculation tuberculosis (vs. prosector's wart)
•deep fungal (sporotrichosis, blastomycosis, histoplasmosis, coccidioidomycosis)
•nocardiosis
•syphilis
•leishmaniasis
•yaws
•tularemia