Dermatology Flashcards
1
Q
Contact dermatitis is what type of allergic reaction
A
Type IV- delayed hypersensitivity
contact dermatitis presents with erythema, edema, and clear vesicles in the region of exposure to an allergen
2
Q
what 4 diseases are associated with a (+) Nikolski Sign?
A
pemphigus vulgaris
stephen-johnson
scalded skin syndrome
toxic epidermal necrolysis
3
Q
How do you diagnose squamous cell carcinoma?
A
diagnosis of squamous cell carcinoma is made via skin biopsy either punch or shave technique
4
Q
What is pellegra?
A
Pellegra is characterized by photosensitive skin or rash, diarrhea, or dementia.
It is due to a vitamin B3 (niacin) deficiency
*the 4 D’s of pellegra: dermititis, diarrhea, dementia, death
5
Q
What is the first line treatment for severe acne vulgaris?
A
isotrentintoin
