Dermatology Flashcards
a volcano-like lesion with a thick keratotic center
keratoacanthoma
what kind of lesions does contact dermatitis cause
erythematous papules and vesicles
seborrheic dermatitis is associated with what two conditions
HIV and Parkinson’s
blanching erythematous papules and pustules on a newborn is likely
erythema toxicum neonaturum (completely benign and self-limited)
what is herpetic whitlow
a common infection of the hand caused by direct innoculation of HSV-1 or 2 causing pustules to form on the hand; often seen in health care workers due to direct contact with saliva, bodily secretions
lentigo vs. melanocytic nevus vs. blue nevus
lentigo= flat and round; due to melanocyte hyperplasia epidermis
melanocytic nevus= dome shaped raised hyperpigmentation
blue nevus= dome shaped, looks blue due to dermal location of melanocytic hyperplasia
what are the different treatment options for basal cell carcinoma and when do you use them
electrocautery and dessication: used for low-risk lesions on trunk or extremities
surgical excision: used for nodular lesions on trunk or extremities (margin of 3-5mm)
Mohs surgery: used for facial lesions to minimize cosmetic disruption
superficial infantile hemangioma is also known as
STRAWBERRY hemangioma
not cherry, which is seen in old people
equinus (limited dorsiflexion), varus deformity and adduction (turned in medially) of the foot suggests what condition and how is it treated
clubfoot (aka talipes equinovarus)
tx= immediate stretching and manipulation, followed by serial casting
pneumothorax, pneumomediastinum and subcutaneous emphysema in a patient who experienced blunt chest trauma suggests
bronchial rupture (often the right main bronchus)
for suspected malignant melanoma biopsy with what kind of margins is suggested
exision biopsy with narrow margins (if margins are positive then do additional margin excision to avoid unnecessarily taking tissue)
after viewing pathology on a melanoma biopsy how do you determine the next step
if depth is 1mm do sentinel node biopsy
plantar warts in the sole of the foot that are painful when walking is commonly due to what infection
HPV (cutaneous verrucae)
what condition is cradle cap
seborrheic dermatitis in infants (begins on the scalp and eventually involves the eyebrows, nose and paranasal areas)
what does permethrin cream treat
scabies
