Syphilis Flashcards
Stages of syphilis
Exposure
Primary
Secondary
Latent
Tertiary
How long after exposure does primary syphilis occur
3-4 weeks after exposure
Classical symptom of primary syphilis
Chancre at site of infection - firm, round, painless
May go unnoticed if not visible, disappears in 2-8 weeks
When does secondary syphilis occur
2-6 weeks after primary infection
What is the rash in secondary sypphilis
Gneralised incl palms and soles
Maculopapular, non itchy
Condylomata lata - moist warty lesions in genital area
Systemic secondary syphilis symptoms
Fevers, fatigue, lymphadenopathy, splenomegaly, hepatitis, alopecia
How long does the latent phase of syphilis last
Early - <2 yeras
late - >2 years after initial infection
Features of early latent syphilis
Sexual and vertical transmission
25% have repeat secondary syphilis
Treated with single dose penicillin
Features of late latent syphilis
> 2 years after original
Only vertical transmission
Longer treatment required
When does tertiary syphilis occur
2-20 years after latency
1/3 develop
Features of tertiary syphilis
Gummatous
Cardiovascular
General paresis - progressive dementia
Tabes dorsalis
Ocular syphilis
Neuro syphilis
What is tabes dorsalis
neuropahty(loss of proprio and vibrioception), ataxia, pupillary changes (argyl robertson pupil)
Incontinence
CV syphilis causes
- aortitis -> aneurysm, aortic regurg
What see in gummatous syphilis
granulomatoous lesion with central necrosis
Ocular syphilis features
Painful red eye
Visual distubrance - floaters, flashing lights
May cause blindness
Neurosyphilis features
Asymptomatic but abnormal CNS findings
Menningitis
Altered behaviour
Stroke - secondary vasculitis
Tertiary neruosyphilis
When can ocular and neurosyphilis occur
Any stage of syphilis infection
What is congneital syphilis
Syphilis contracted in pregnancy or prior to