PP Musculoskeletal, Skin, and Connective Tissue Flashcards
What is Hairy leukoplakia?
White painless plaque on the tongue that can’t be scraped off
EBV mediated
Occurs in HIV + pt
what aere 1st degree burns?
red (epidermnis)
what are 2nd degree burns?
blisters (hipodermis)
what are 3rd degree burns?
painless nueropathy (dermis)
what diseases have palms and sole rashes?
“TRiCKSSS”
- Toxic Shock Syndrome
- Rocky mountain spotted fever
- Coxsackie A: Hand-Foot-Mouth disease
- Kawasaki
- Scarlet fever
- Stahp Scaled Skin}- Syphilis
what is Erythema Multiforme?
target lesions (viral, drugs)
what is Stevens Johnson síndrome?
Erythema Multiforme Mjor (mouth, eye, avgina)
what is toxic epidermal necrolysis?
Steven Jonson w/skin sloughing
what is Pemphigus Vulgaris?
Ab against desmosomes => circular immunofluoresence, in epidermis, oral lesions, + Nikolsky sign
what is Bullous Pemphigoid?
Ab against hemidesmososmes => linear immunofluoresence, subepidermal, “floating” keratinocytes, eosinophils, (-) Nikolsky sing
what is Atopic dermatitis (Eczema)?
dry flaky dermatitis in skin flexures “itch tha rashes”
what is Nummular dermatitis?
circular eczemz
what is Spongiotic eczema?
weeping eczema: scratching causes oozing “like a sponge”
what is Lichenification?
scratching => thick leathery skin
what is Pityriasis Rosea?
“herald patch” fallow days later by “Christmas tree” distribution
Self-resolving in 6-8weeks
what is Lichen Planus?
pruritic, purple, polygonal planar papules and plaques
Sawtooth infiltrate of lymphocytes at dermal-epidermal junction
A/w hepatitis C
what is Scabies?
linear excoriation “burrows” in webs of fingers, toes, belt line (Sarcoptes faces)
what does UV-A causes?
aging
Dominant in tanning and photoaging
what does UV-B causes?
Sunburns
Can lead to impetigo and skin cancer
what ar teh ABCDE’s that indicate worse prognosis of sking cáncer?
- asimetric
- irregular borders
- color differences
- > 6mm diameter
- evolution over time
what does the Clark level tell you?
invasión of melanoma
what does Breslow´s classification tell you?
depth of melanoma
where are Malignant Melanomas usually found?
Males: back
Females: leg
what is the precursor of a Malignant Melanoma?
hutchison´s greckle