Derm Flashcards
(25 cards)
Atopic Dermatitis
Infants: Extensor
Children: Flexor
d/t Allergies/asthma
Tx: Antihistamines, steroids
Dyshidrosis
Fingers
Vesicles
Tx: Steroids
Lichen Simplex Chronicus
Rubbing/scratching
Tx: Steroids
Lichen Planus
d/t HepC
Purple, pruritic, polygonal plaque!
Wickham striae
Pityriasis Rosea
Herald Patch
Christmas tree pattern
Psoriasis
Papules, silvery plaques
Extensor, scalp
Tx: Steroids
Erythema Multiforme
d/t HSV or mycoplasma or Rxs
Target-like lesions
Self-limiting
SJS
<10% Nikolski sign
d/t Rxs
LIFE-THREATENING
TEN
> 30% Nikolski sign
d/t Rxs
LIFE-THREATENING
Bullous Pemphigoid
Bullous >60 BP180 levels Dx: Biopsy + direct immunofluorescence Tx: Steroids
Acne
Pilosebaceous glands
d/t PCOS, OCPs
Dx: immunofluorescence
Tx: Retinoids, benzoyl peroxide
Rosacea
Facial flushing
Worse c EtOH, spicy food, sun, heat
Rhinophyma, especially in men
Actinic Keratosis
Pre-CA
Erythematous scaling macule
Scabies
Pruritis, worsens at night
Burrows
Not on head
Tx: Permethrin 5%
BXC
d/t UV light
Often on face
Pearly papule c telangiectatic vessel
SCC
Ulcer that fails to heal
Melanoma
ABCDE
Ugly duckling sign
Cellulitis
d/t deep infec of Staph, Strep
Purulence MRSA
Impetigo
Honey-crusted plaques
Tx: Mupirocin
Acanthosis Nigricans
Velvety hyperpigmentation
Risk from insulin resistance!
Melasma
d/t UV light, hormone changes, genetics
ppx: SUNSCREEN
Tx: Hydroquinone
Vitiligo
Autoimmune destruction of melanocytes –> depigmentation
Tx: steroids
Kaposi Sarcoma
HHV8!!!!!!!!
GI tract/mucous membranes
Risk d/t AIDS
Erysipelas
d/t superficial Strep infection
Clear line of demarcation
