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59 Cards in this Set
- Front
- Back
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scaly lesion on erythematous base on extensor surfaces |
Psoriasis |
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Auspitz phenomenon |
bleeding with removal of a scale--> with psoriasis |
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Psoriasis tx |
topical steroids, UV light |
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nail changes with psoriasis |
pitting, oil spots |
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dry, itchy skin on flexor surfaces |
atopic dermatitis/eczema--characterized by itch/scratch cycle, leading to lichenification |
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eczema tx |
avoid triggers/allergens. Topical steroids, but use sparingly. |
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Seborrhea tx |
Selenium sulfide shampoo ketoconazole shampoo |
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Scaly salmon colored lesions in xmas tree pattern, pruritic |
Pityriasis rosea |
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First sign of pityriasis rosea |
Herald patch |
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pityriasis tx |
resolves spontaneously but may use antihistamines for itching |
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type of hypersensitivity of urticaria |
Type I |
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urticaria tx |
topical antihistamines (diphenhydramine) |
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Target lesions on palms and soles in response to a drug reaction |
Erythema Multiforme
(caused by HSV or medication reaction) |
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Complications of Erythema multiforme |
Steven Johnson's and TEN |
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Difference between SJS and TEN |
SJS: <10% skin involved. basal cell degeneration. TEN: >30% skin involved. full thickness necrosis. |
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How to differentiate SSSS from TEN |
Do skin bx--will show staph organisms in SSSS. bx for TEN will show the full thickness necrosis. Tx SSSS with Vanco and clindamycin |
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Eti of pemphigus vulgaris |
autoimmune dz against desmosomes |
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Presentation of pemphigus vulgaris |
thin walled blisters, can occur everywhere. + Nikolksy's sign. Life threatening |
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Dx and tx of pemphigus vulgaris |
Bx and immunofluorescence. Steroids, IVIg |
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Eti of bullous pemphigus |
Autoimmune against hemidesmosomes |
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presentation of bullous pemphigus |
Thick walled blisters, fluid filled. not life threatening |
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Dx and tx of bullous pemphigus |
bx and immunofluorescence. Steroids, but not necessary to treat, d/t to older age of these pts |
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patchy discoloration of the skin |
Tinea versicolor (fungal infxn) |
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eti of vitiligo |
autoimmune against melanocytes |
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dx of vitiligo |
Woods lamp, confirmed by bx lacking melanocytes |
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Large, greasy, crusted lesion with "stuck on" appearance |
Seborrheic keratosis-- in elderly people, no tx needed |
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Premalignant lesion for SCC |
actinic keratosis |
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waxy, pearly lesion with central erosion skin CA |
Basal cell carcinoma |
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hyperpigmented lesion or nonhealing ulcer CA |
Squamous cell carcinoma |
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which type of skin ca does not metastasize |
basal cell carcinoma |
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Acne tx |
Mild: give topical retinoid Moderate (some scarring): oral abx with topical therapy Severe: should get oral Isotretinoin |
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What needs monitoring if on oral tretinoin |
Liver fxn, triglycerides, and pregnancy prevention |
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What triggers rosacea |
Facial flushing occurs with increased temps or with EtOH |
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First line rosacia tx |
Topical metronidazole |
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What is acanthosis nigricans associated with |
DM, adenocarcinoma of GI or GU tract |
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Eti of molluscum contagiosum |
poxvirus. transmitted by skin to skin contact. Occurs in children and immunocompromised adults. |
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Cause of impetigo |
Staph for GABHS (more common in children)-- also same things that cause cellulitis |
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honey colored crusts |
Nonbullous impetigo |
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impetigo tx |
topical mupirocin |
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hot tub folliculitis caused by |
Psuedomonas does not typically require tx, but use cipro if needed |
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most common cause of folliculitis |
staph |
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Folliculitis abx tx |
dicloxacillin or cephalosporin |
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Exanthem with cough, coryza, conjunctivitis, and Koplik spots |
Measles (rubeola)-- after these sx rash appears on face and moves down to trunk and extremities |
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Measles tx |
supportive |
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Paramyxovirus causes |
Measles |
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Togavirus causes |
Rubella (german measles) |
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Rubella presentation |
Mac/pap rash begins on face, down to trunk and extremities. lymphadenopathy |
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When is congenital rubella syndrome worse for the baby |
during the first trimester |
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Exanthem with high fever before onset of rash |
Roseola (rash is not on the face) |
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HSV 6 and 7 causes... |
Roseola |
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Parvovirus |
Fifth's disease |
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Scabies tx |
Permethrin cream (also for lice) Lindane |
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what is Dishydrosis |
Common with atopy clear vesicles on hands and feet "tapioca appearance" |
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Dishidrosis tx |
stress reduction keep skin moist topical steroids and cold compresses |
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pruritic, papular, purple, planar, polygonal, plaques |
lichen planus (violaceous, flat topped, angulated, papules) Wickham's striae |
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Lichen planus dx |
immunofluorescence |
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Genital warts |
Condyloma acuminatum (HPV 6 + 11) |
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type of hypersensitivity of allergic contact dermatitis |
Type IV |
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Erysipelas tx |
IV penicillin for 48 hrs followed by oral Penicillin for 7 days |
