Dermatology Flashcards
Are any skin cancers treated with chemo?
No
What’s the best method of biopsy for melanoma?
Full-thickness biopsy
The risk of acquiring which type of skin cancer is increased by long-term immunosuppression and sunlight?
Squamous cell carcinoma
Which type of skin cancer starts out by looking like an ulcer that does not heal?
Squamous cell carcinoma
Which type of skin cancer looks like a shiny pearl and can be diagnosed with shave biopsy and treated with close margins?
Basal cell carcinoma
Which herpes virus causes Kaposi?
HHV 8
What’s the tx for Kaposi?
Treat AIDS with antiretrovirals
What are pre-cancerous skin lesions in fair skinned people that are slow to progress but must be removed?
Actinic keratosis
“This thing is actin like cancer”
Which skin lesions are common in the elderly and have a stuck on appearance, and do not turn into melanoma?
Seborrheic keratosis
What’s a good longer-term medication for atopic dermatitis to get a patient off steroids?
Tacrolimus cream
Is psoriasis itchy?
No
What’s the tx for local psoriasis disease?
Triamcinolone, betamethasone, clobetasol creams
What drugs are used for extensive psoriasis?
UV light, TNF inhibitors
Which skin condition starts out with a single larger lesion (Herald patch) that then disseminates in the shape of a xmas tree on the back and is treated with steroids or UV light?
Pityriasis rosea
Which pemphig has the Nikolsky sign?
Pemphigus vulgaris
“It is vulgar how the skin denudes off with the slightest touch”
Which pemphig is milder?
Bullous pemphigoid
“It seems like a bully but really it’s milder”
What’s the tx for the pemphigs?
Prednisone
What skin condition causes blistering of the skin on sun-exposed areas and is caused by liver dz, estrogen use, and iron overload?
Porphyria cutanea tarda
What do you treat non-MRSA impetigo with?
Mupirocen
What do you treat MRSA impetigo with?
TMP-SMX
What skin condition is usually from strep but can be from staph and is deeper than impetigo, presenting with a bright red hot swollen lesion on the face and leukocytosis?
Erysipelas
What are the 4 antistaph penicillins?
OX
CLOX
DICLOX
NAF
What is a furuncle?
Small skin abscess
What’s the best initial test for tinea and candidiasis?
KOH prep
What’s the best initial therapy for tinea capitis and tinea unguium (nail)?
Terbinafine
How do you treat Stevens-Johnson syndrome and toxic epidermal necrolysis?
IVIg
What’s the best tx for Staph scalded skin syndrome and TSS?
Oxacillin or nafcillin
What’s the chain of command for acne treatment?
Benzoyl peroxide < clindamycin < tretinoin < minocycline
