19.5 Skin Infections Flashcards
Histology of Skin: Stratified squamos epithelium Stratum Corneum- flattened, non-nucleated cells called "squames" Stratum Lucidum- thick skin, eosinophilic layer of cells filled with kertain Stratum granulosum- bound to spinosum by filaggrin, has keratohyaline granules and protective lamellar granules Stratum Spinosum- thickest layer, tonofibrils & ect. Stratum Basale- a single layer of basophliic columnar or cuboidal cells on the basement membrane at the dermal-epidermal junction Fri
impetigo
erythematous macules that progress to pustules
“honey colored serum”
macules
circumscribed, flat, colored region of skin
pustules
circumscribed, elevated, lesions that contain pus.
erythematous
red
cellulitis
dermal infection due to S. aureus or s pyogenes
cellulitis: presentation
red, tender, swollen rash with fever
crepitus
gas under the skin
*to rattle
necrotizing fasciitis
necrosis of subcutaneous tissue due to infection with anaerobic flesh-eating bacteria
staphylococcal scalded skin syndrome
sloughing of skin with erythematous rash and fever
what layer is separate during scalded skin syndrome
stratum granulosum
Toxic Epidermal Necrolysis: where is the separation
dermal-epidermal dislocation
verruca
(wart): HPV of keratinocytes
a raised papule
molluscum contangiosum
firm, pink, ubmilicated pauples due to poxvirus
sexual activity and depressed immunity
molluscum bodies
pox virus in viral inclusions
