Skin: 19.5: Skin infections Flashcards
1
Q
What causes impetigo?
A
Staph aureus or Strep pyogenes
2
Q
What is the difference btw impetigo and cellulitis?
A
cellulitis is deeper, red, and hot
3
Q
What can cellulitis progress to?
A
nec fasc
4
Q
What Staph toxins cause Staph Scalded Skin Syndrome? What does this do to the skin?
A
exfoliative toxin A and B; separation of the stratum granulosum
5
Q
Where does Toxic Epidermal Necrolysis (TEN) occur?
A
at the dermal-epidermal junction
6
Q
How is Toxic Epidermal Necrolysis (TEN) different from Staph Scalded Skin Syndrome?
A
TEN occurs deeper, at the dermal-epidermal junction
7
Q
What causes verrucas?
A
HPV infection of keratinocytes
8
Q
What causes Molluscum?
A
poxvirus
9
Q
What is the hallmark of Molluscum?
A
molluscum bodies w/I affected keratinocytes (viral inclusions)
