Dermatology Case Flashcards

1
Q

What is a childhool exanthema?

A

a skin rash accompanying a disease or fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are 6 diagnoses that should be in the differential for a child with an exfoliative rash?

A

viral exanthemas

scarlet fever

thermal burns

pemphigus

kawasaki disease

staph scalded skin syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are two important viral exanthemas?

A

chicken pox (varicella zoster)

fifth’s disease (parvovivrus) - slapped cheeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are 3 important bacterial exanthemas?

A

Group A strep causing scarlet fever or impetigo

Staphylococcus aureus causing scalded skin syndrome

EBV causing mononucleosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

WHat is Kawasaki disease?

A

an autoimmune vasculitis that affects the skin, mucous membranes, blood vessels and heart

you get high fever and rash, red eyes and enlarged lymphs nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is scalded skin syndrome caused by?

A

coagulase positive staphylococci which elaborates efoliatin (an epidermolysin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does exfoliatin do?

A

It’s an extracellular toxin that splits the upper epidermis below the granular cell layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Where does the exfoliative rash usually occur in SSSS?

A

on the face - around the mouth

also on feet and hands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Does SSSS come with a fevre?

A

oddly enough, no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How is the diagnosis made? Labs?

A

Usually based on history, appearance and no recent vaccinations

For the labs, the CRP and ESR would be elevated

platelet count normal

gram stain positive for cocci

the blood or tissue cultures would oncfirm the dianosis later

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the treatment for SSSS?

A

beta-lactamase resistant penicillin like ampicillinw ith sulbactam or a penicillinase-resistant penicillin like nafcillin

Also isolate them because it’s easy to transmit to others

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly