Vesiculobullous DXs

Question 1

What bug is responsible for impetigo? What’s its morph?

Answer 1

Staph aureus

G+

Question 2

What bug is responsible for scalded skin syndrome?

Answer 2

Staph aureus (G+)

Question 3

What toxins are involved w/ impetigo?

Answer 3

Endotoxin A & B

Question 4

What toxins are involved w/ Scalded Skin Syndrome?

Answer 4

Exotoxin 1 & 2

Question 5

What virus is responsible for the chicken pox?

Answer 5

Varicella virus (herpes family)

Question 6

What’s a distinct difference between pemphigous vulgaris and bollous pemphigous?

Answer 6

Vulgaris often involves the oral mucosa

Boullous pehmphigous does NOT involve oral mucosa

Question 7

What are photodermatoses?

Answer 7

Skin disorders precipitated by exposure to the sun

Question 8

What type of hypersensitivity reaction is associated w/ polymorphous light eruption?

Answer 8

Type 4 (delayed)

Question 9

Which skin disorder is associated w/ gluten sensitivity?

Answer 9

Dermatitis Herpetaformis

Question 10

What disease process is associated w/ targetoid lesions? Where are they most often found?

Answer 10

Erythema multiforme

Palms and soles

Question 11

What sign is associated w/ a possible blistering condition?

Answer 11

Nikolsky’s sign

Doc twirls an eraser on the pts skin and within minutes a blister forms in that spot