Syphilis
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DDx
Primary syphilis (genital ulcer)
- Herpes simplex virus (HSV)
- Chancroid
- Granuloma inguinale
- Lymphogranuloma venereum
- Trauma
- Neoplasm
- Behçet’s syndrome
- Systemic lupus erythematosus (SLE)
- Lichen planus
- Rash: pityriasis rosea, tinea corporis, psoriasis, nummular eczema, viral exanthem, drug eruption, lichen planus, discoid lupus erythematosus
- Condyloma lata: genital warts (condyloma acuminata), vulvar cancer
- Gummas: skin cancer; lipomas; sarcoidosis; ulcer due to pyoderma gangrenosum, vasculitis, mycobacterial infection, deep fungal infection, yaws
- Aortic root disease: Marfan syndrome, aortic dissection, temporal (giant cell) arteritis, ankylosing spondylitis, syphilis, Reiter’s syndrome (reactive arthritis), cystic medial necrosis, sinus of Valsalva aneurysm, relapsing polychondritis
- Neurosyphilis: primary neurologic lesions or other chronic meningitis
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DDx
Primary syphilis (genital ulcer)
- Herpes simplex virus (HSV)
- Chancroid
- Granuloma inguinale
- Lymphogranuloma venereum
- Trauma
- Neoplasm
- Behçet’s syndrome
- Systemic lupus erythematosus (SLE)
- Lichen planus
- Rash: pityriasis rosea, tinea corporis, psoriasis, nummular eczema, viral exanthem, drug eruption, lichen planus, discoid lupus erythematosus
- Condyloma lata: genital warts (condyloma acuminata), vulvar cancer
- Gummas: skin cancer; lipomas; sarcoidosis; ulcer due to pyoderma gangrenosum, vasculitis, mycobacterial infection, deep fungal infection, yaws
- Aortic root disease: Marfan syndrome, aortic dissection, temporal (giant cell) arteritis, ankylosing spondylitis, syphilis, Reiter’s syndrome (reactive arthritis), cystic medial necrosis, sinus of Valsalva aneurysm, relapsing polychondritis
- Neurosyphilis: primary neurologic lesions or other chronic meningitis
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