Derm Cases Part 1- Feirstein Flashcards
What bacteria causes acne vulgaris?
Propionibacterium
Tx for mild acne vulgars?
Topical Benzoyl Peroxide wash
OR
Topical Retinoid
Tx for moderate acne vulgaris?
COMBO: Topical BP AND Topical Retinoid
Tx for severe acne vulgaris?
Combo therapy (BO + Retinoid)
AND
Topical Abx (erythromycin/clindamycin)
Tx for very severe acne vulgaris?
refer to derm and give tetracycline or doxy (oral abx +BP)
Dermatologist will give oral isotretinoin as well.
What kind of diet is recommended for pts with acne vulgaris?
low glycemic diet
How long do topical agents take to work for acne vulgaris?
2-3 mos
When should you re-evaluate pt with acne vulgaris?
8 weeks
Etiology of roseola infantum (6th disease)?
HHV 6
Sx of roseola infantum (6th disease, HHV6)
prodrome of:
fever
palpebral edema
cervical lymphadenopathy
mild URI sx
Roseola infantum is a _________
viral exanthem
Describe the exanthem found in roseola infantum (6th disease, HHV6)
pink macules and papules surrounded by white halo
Where does the viral exanthem of roseola infantum begin?
trunk
Tx of roseola infantum (6th disease, HHV6)
supportive care
tx atypical cases/immunocompromised pts
Clinical px of guttate psoriasis
“water splashed” lesions on trunk & extremities
1-10mm salmon pink with fine scales
does not follow skin tension lines
preceded by a strep infection (S. pharyngitis) (GABHS infection)
Where will you find guttate psoriasis on the body?
trunk & extremities
Is there oral, palm or sole involvment with guttate psoriasis?
NO, it is found only on the trunk and extremities
Tx of Guttate psoriasis if it is limited
potent topical steroids
Tx of guttate psoriasis if it is extensive
narrow band UVB phototherapy
What is the following?
“mobile, dermal nodule with overlying punctum”
Epidermal cyst/epidermal inclusion cyst
NOT a sebaceous cyst
Does an epidermal inclusion cyst arise from a hair follicle?
YES
Tx of epidermal inclusion cyst
surgical excision: remove entire cyst wall