5 Questions
What is the typical duration of the incubation period for primary syphilis?
9-90 days
What is the characteristic of the ulcer in primary syphilis?
Painless, clean-based, and indurated borders
What is the most common location for primary syphilis lesions?
Anogenital region
What is the characteristic of the regional adenopathy in primary syphilis?
Non-tender and small
What is the outcome of primary syphilis if left untreated?
It will resolve spontaneously without treatment
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
This quiz covers the symptoms, diagnosis, and treatment of primary syphilis, including incubation period, ulcer characteristics, and laboratory tests. It's a must-know for medical students and professionals.
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