Spongiotic Disorders

Question 1

What are the stages of Eczematous Dermatitis?

Answer 1

Acute–red papules/vesicles
Subacute–vesicles pop, making crusts and scales
Chronic–crust gone, only scales remain

Question 2

What is something unique about Dishydrotic Dermatitis?

Answer 2

It has the most vesicles of any spongiotic disorder.

Question 3

What are the stages of Dishydrotic Dermatitis?

Answer 3

Acute–deep vesicles (tapioca color)
Subacute–HPKs form
Chronic–HPKs with lichenification

Question 4

What does an Id Reaction look like?

Answer 4

Pruritic papulo-vesicular dermatitis often involving the feet and hands.

Question 5

What causes an Id Reaction?

Answer 5

Intradermal release of cytokines in a primary dermatitis that are picked up by lymphatics and carried to a distant site.

Question 6

What is Allergic Contact Dermatitis?

Answer 6

A type 4 T cell mediated hypersensitivity reaction

Question 7

What is the progression of lesions in Allergic Contact Dermatitis?

Answer 7

Erythema –> Vesicles –> Erosions/Crusts –> Scales –> Lichenification

Question 8

What is Atopic Dermatitis?

Answer 8

1. Type I Hypersensitivity (IgE)

2. Extreme Pruritis**

Question 9

What is Denne-Morgan Sign associated with?

Answer 9

Exaggerated eyelids –> Atopic dermatitis

Question 10

What is the key feature of Irritant Contact Dermatitis?

Answer 10

Epidermal Necrosis