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33 Cards in this Set
- Front
- Back
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what is the most common early sign of malignant melanoma
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itching
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Later symptoms of malignant melanoma
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bleeding, tenderness, ulceration
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characteristics of basal cell carcinoma
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Pearly-white, almost translucent, dome-shaped papule with overlying telangiectasias
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treatment for basal cell carcinoma
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Excision
Curettage Cryotherapy Radiation therapy Topical imiquimod (Aldara) – don’t use for large lesions on the face, near the eyes |
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Actinic keratosis can progress to?
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squamous cell carcinoma
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Actinic keratosis is most commonly found where?
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face, head, neck and dorsal hands. Think sun exposed areas
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what is erysipelas?
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an acute, inflammatory form of cellulitis with prominent lymphatic involvement
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most common pathogen seen with erysipelas?
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group A strep
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what skin condition starts with a herald patch, often on the trunk?
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pityriasis rosea
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Impetigo is associated with what bacterium?
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strep pyogenes, staph aureus (primary pathogen)
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treatment for localized impetigo infection
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Mupirocin 2% (bactroban). Can also use neomycin-bacitracin creams
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treatment for widespread impetigo infection
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oral antibiotics.
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Darier's sign
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rubbing a lesion causes urticarial flare
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Auspitz's sign
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pinpoint bleeding after a scale is removed.
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Nikolsky's sign
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pushing a blister causes further separation of the dermis. Seen in toxic epidermal necrolysis
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How does the KOH test work?
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dissolves keratin and cellular material but does not affect fungi
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What does the KOH test identify?
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dermatophytes
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Dyshidrosis eruptions often follow?
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Stress or hot, humid weather
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Dyshidrosis eczema occurs on the?
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hands, feet
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Treatment for dyshidrosis
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Burow's soln.
Large bullae should be drained, but keep intact Topical steroids for localized lesions, systemic for severe cases treat secondary infection with systemic antimicrobials. |
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The basic pathology of psoriasis is?
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greatly enhanced epdermal cell turnover (to a rate of 28 times normal)
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what is Folliculitis?
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inflammation of hair follicles.
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Folliculitis is usually caused by?
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Staph aureus
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Hot tub folliculitis is often caused by?
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pseudomonas
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What is Paronychia?
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a bacterial infection of the nail fold.
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The 4 P's of lichen planus
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pruritic, planar, purple, polygonal papules
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First line treatment of scabies
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Permethrin 5% cream (Elimite)
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Scabies symptoms
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persistent, generalized, severe pruritus that is worse at night
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Scabies signs
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Burrows—Linear marks (several millimeters in length) represent the tunneled path of the mite. There is typically a dark dot at one end, representing the female mite.
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What is this lesion?
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squamous cell carcinoma
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What is this?
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Urticaria
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What is the difference between cellulitis and erysipelas?
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Erysipelas only involves the top layers of the skin.
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When you hear "silvery scales or plaques think?
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psoriasis
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