Comments | |
Bacteria | |
Anthrax | Hemorrhagic ulcer with surrounding edema; eschar |
Chancroid | Painful genital ulcer; single or multiple |
Diphtheria | Shallow ulcer |
Granuloma inguinale | Painless genital ulcer |
Leprosy | Neuropathic ulcers |
Lymphogranuloma venereum | Late ulceration |
Melioidosis | Necrotic ulcer with local cellulitis |
Mycetoma | Ulcers with sinus tracts |
Mycobacteria | |
M. marinum | Nodules may ulcerate |
M. tuberculosis | Nodule ulcerates at site of primary inoculation |
M. ulcerans | Deep ulcer with undermined edges (Buruli) |
Plague | Breakdown of bubo |
Pyoderma | Crusted ulcer associated with staphylococci and streptococci |
Rickettsial infections | Eschar at inoculation site for some rickettsiae; may be multiple |
Syphilis | Painless ulcer with indurated edge |
Tropical ulcer | Painful ulcer, necrotic |
Tularemia | Ulceroglandular; ulcer at site of inoculation |
Yaws | Papule ulcerates |
Protozoa | |
Amebiasis | Rapidly growing, painful necrotic ulcers |
Leishmaniasis | Painless, rolled edge; chronic; single or multiple |
Other | |
Brown recluse spider bite | Painful, edema, erythema; necrotic eschar |
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