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Questions and Answers
What is the typical duration of the incubation period for primary syphilis?
What is the typical duration of the incubation period for primary syphilis?
- 1-10 days
- 3-6 months
- 1-2 years
- 9-90 days (correct)
What is the characteristic of the ulcer in primary syphilis?
What is the characteristic of the ulcer in primary syphilis?
- Painful, dirty-based, and soft borders
- Painless, clean-based, and indurated borders (correct)
- Painless, dirty-based, and raised borders
- Painful, clean-based, and soft borders
What is the most common location for primary syphilis lesions?
What is the most common location for primary syphilis lesions?
- Lips and fingers
- Nipples and chest
- Tongue and pharynx
- Anogenital region (correct)
What is the characteristic of the regional adenopathy in primary syphilis?
What is the characteristic of the regional adenopathy in primary syphilis?
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What is the outcome of primary syphilis if left untreated?
What is the outcome of primary syphilis if left untreated?
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Study Notes
Primary Syphilis
- Incubation period: 9-90 days
- Develops at site of contact/inoculation
- Presents as a single, painless, clean-based, indurated ulcer with firm, raised borders
- Ulcer may occur at any site, including anogenital, tongue, pharynx, lips, fingers, nipples, etc.
- Associated with non-tender regional adenopathy
- Highly infectious
- Diagnosed using darkfield microscopy
- VDRL (Venereal Disease Research Laboratory) or RPR (Rapid Plasma Reagin) tests are not yet positive
- Can resolve spontaneously without treatment after a few weeks
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