Syphalis Flashcards
1
Q
Gen
A
3 stages, congenital, spread hematogenously or via lymph
2
Q
1st stage
A
Chancre = single, firm, non tender raised lesion
3
Q
2nd stage
A
Palmer rash (mucopapula/scaly), lymphoadenopathy, chondyloma latum (broad raised plaques). 2-10 wks after initial
4
Q
3rd stage
A
neurosyphalis: PARESIS (CSF test), aortitis, Gummas (type 4 HSR)
5
Q
PARESIS
A
P = personality (emotional liability and Paranoia) A = Affect (carelessness in appearance) R = Reflexes (hyperactivity) E = Eye (Argyll Robertson Pupils) S = Sensory (illusions, delusions, megolomania) I = Intellect (decreased memory, judgement, insight) S = Speech (slurred)
6
Q
Diag
A
Use darkfield microscopy or silver stain - no culture
7
Q
Bacteria
A
Treponema Pallidum: Gram neg spirochete
Thick rigid spirals, endoflagella, axial filaments
8
Q
Treatment
A
Penicillin - risk Jarish - herxheimer rxn (TSS to lipid A)
9
Q
Tests
A
- Non treponemal test - VDRL or RPR for screening. pos during first and second stage (except HIV). Directed against cardiolipin Ag
- Treponeal Test: FTA - Abs, used to confirm above. Detects specific Abs via indirect IF. Not useful to follow tx as always pos