Common Dermatoses

Question 1

Atopic Dermatitis:

Answer 1

-chronic, pruritic eczematous disease that begins in childhood and follows a remitting/flaring course throughout life.
-itch that rashes
-associated with asthma and allergies
-common for family history
-found on FLEXOR SURFACES
LIFESTYLE MODIFICATIONS:
-limit bathing, avoid harsh soaps, avoid perfumed products, avoid scratching

TREATMENT:

• immunomodulators
• topical steroids
• oral cortiocsteroids
• PUVA

Question 2

Contact Dermatitis

Answer 2

1. irritant dermatitis, most common cause of dermatitis. due to exposure of outside agent or process that compromises the epidermis.
2. Allergic Dermatitis, inflammatory reaction that follows absorption of an antigen applied to the skin. Typically acute, well defined, vesicles. INTENSILY PRURITIC.

TX: topical corticosteroid.

Question 3

Pityriasis Rosea:

Answer 3

common, benign skin eruption. 
-self limited
-10-35 years old 
light pink tan macule RING. 
-HERALD PATCH, before the appearance of multiple lesions. 
-Typically asymptomatic, mild itching. 
CHRISTMAS TREE PATTERN!

Question 4

Psoriasis:

Answer 4

EXTENSOR SURFACES
- erythematous plaques, some with silver scale
-typically found on joints
-spares the face
-pitting nails
-obesity makes it worse
-genetic factors
Tx: topical steroids, PUVA

** gutatte psoriasis follows a strep infection
give strep medicine

Question 5

neonatal vs infantile acne…which one do you treat?

Answer 5

treat infantile with topical agetns like bezoyl peroxide. neonatal acne goes away in 4-6 months with no treatment.

Question 6

vitiligo:

Answer 6

autoimmune disease in which pigment cells are destroyed resulting in irregularly shaped white patches on the skin. most pigment loss if before age 20. treatment has unsatisfactory results.