Derm Uworld Flashcards
common spots for warfarin induced necrosis
breast, buttocks,thigh and abdomen
managment of warfarin induced necrosis
Vit K and warfarin discontinued if necrosis continues
leading cause of sepsis psot burn
infection of staph or pseudomonas
child with complicated hemangioma, management?
beta blockers
type of hemangioma on infant
superficial
type IV HS
delayed
T cell and macrophage mediated
Which HS is autoAb mediated
Type II
IgG and IgM
which HS is Ab-Ag immune complex
type III
2 day old has scattered erythematous macules and papules all over body
erythema toxicum neonatorum
no Tx
Tx staph scalded skin syndrome
oxacillin, nafcillin or vanco
dermatitis herpetiformis
erythematous papules and vesicles and bullae that are symmetric in herpetiform arrangement on extensor surfaces, upperback and buttocks
dermatitis herpetiformis is assoc with
gluten sensitive enteropathy (celiacs)
Tx for dermatitis herpetiformis
dapsone
eczema herpeticum
primary HSV infection
painful vesicles with punched out erosions and hemorrhagic crusting
fever and lymphadenopathy are common
Tx for eczema herpecticum
acyclovir
18 year old Tx for acne has extreme reaction to sunburn
doxycycline induced phototoxicity
ichthyosis vulgaris
normal skin at birth with progression to dry scaly skin
horney plates over extensor surfaces
sparing of face and diaper area
worsens in winter
senile purpura is from what
perivascular CT atrophy
farmer with persistent ulcer on lower lip
squamous cell carcinoma is most common
what would you find on Bx of SCC
invasive cords of squamous cells with keratin pearls
histo shows invasive clusters of spindle cells surrounded by palisaded basal cells
BCC
scaly erythematous patch on scalp that progresses to alopecia with residual black dot
tinea capitis
pityriasis versicolor
malassezia globosa
hypopigmented lesions
fine scale
pruritis
Dx pityriasis versicolor
KOH preparation show hyphae and yeast cells in spaghetti and meatbals pattern
Tx of pityriasis versicolor
topical ketoconazole, terbinafine or selenium sulfide