Lecture Flashcards
tight junctions
prevent leakage between cells
adherens junctions
join actin of one cell to actin of neighboring cell
desmosome
joins intermediate filaments in one cell to those in a neighbor
gap junction
small water-soluble ions and molecules pass through
hemidesmosome
anchors intermediate filaments in a cell to the basal lamina
itchy
bullous pemphigoid or pemphigus vulgaris
bullous pemphigoid
painful
bullous pemphigoid or pemphigus vulgaris
pemphigus vulgaris
vitilago MOA
AI
Wood’s light
fluorescence = depigmented skin
melasma MOA
often hormonal change
primary causes of EM
HSV
mycoplasma pneuomoniae
kaposi - classic
lower legs +/- edema
HHV8
kaposi
erythema nodosum causes
idiopathic sarcoid strep OCP TB inflamm bowel
rapid onset and hand involvement
acanthosis nigricans
ring worm
tinea
jock itch
tinea
athletes foot
tinea
snake like
tinea- “ring worm”
edge-active
tinea
where fungus is most abundant
___ require oral antifungals
tinea capitis
tinea folliculitis
onychomycosis
azoles and ____ are active against both dermatophytes and candida
ciclopirox
why is tinea versicolor a misnomer?
caused by yeast not dermatophytes
fawn color
polycyclic border
tinea versicolor