Dermatology Flashcards
Pemphigus Vulgaris Presentation, Dx, Tx
Nikolsky Sign Oral mucosa 30-50 Dx: Bx=thin walled with cells everywhere Tx: Steroids Mycophenolate Rituximab
Pemphigoid Presentation, Dx, Tx
Hemidesmosomes
60-80
Negative Nikolsky, oral mucosa
Dermatitis Herpatiformis Presentation, Dx, Bx
Celiac Sprue IgA Deposition Vesicular lesions on the buttock, Extensor surfaces Dx: Anti Transglutaminase/endomysial Abs Tx: Symptomatic relief Avoid Gluten
Porphyria Cutanea Tarda Presentation, Dx, Tx
Uroporphyrinogen
Blisters in sun exposed areas, Hairy
Dx: Wood lamp turns urine coral red
Tx: Avoid the sun
Seborrheic Dermatitis Presentation, Dx, Tx
Rash, Scales, Flakes area where there is hair there will be a rash no hair=no rash Dx: Clx Tx: Selenium Shampoo f/u Cradle cap
Psoriasis presentation, Dx, Tx
Erythematous Patch silver scale that bleeds Extensor surfaces, gleteal fold Nail pitting Dx: Clx Tx: UV light first Topical steroids
Pityriasis Rosea Presentation, Dx, Tx
Self limiting, Herald patch, Trailing Scale, Spares palms and soles
Tx: none, self limiting
Lichen planus Presentation, Dx, Bx
raised purple papule, Lacy white lines Dx: Clx Tx: Topical steroids F/u-Medication induced ACEi, Loops
Contact Dermatitis Presentation, Dx, Tx
Poison ivy, Shape of an object
Tx: Avoid trigger
Topical diphenhydramine
Stasis Dermatitis Presentation, Dx, Tx
Edema, Erythema, Lower extremities darkens Dx: Clx Tx: Diuretics Compression stockings elevate the legs
Atopic Dermatitis kids Presentation
Allergies, Asthma, Atopy
Vesicles and crusts, Itch, Diaper line
Atopic dermatitis Adult presentation
Symmetric lichenification
AC fossa, popliteal fossa, Extensors
Hand Dermatitis Presentation Presentation, Dx, Tx
Too much handwashing
Healthcare workers, Food Prep, localized to hands only
Tx: Protective Gloves
Avoid Harsh soap
Atopic dermatitis Treatment
Tx: Avoid Trigger
Emulsions
Topical steroids
Hypersensitivity Drug Reactions Presentation, Dx, Tx
Symmetric, pink, widespread, morbilliform rash appearing 7-14 days after starting
Tx: Remove the drug
Antihistamines
Steroids
Erythema Multiforme Presentation, Dx, Tx
Targetoid lesion (palms, fingers, ears) -HSV, Drug Rxn Tx: topical steroids
What drugs cause Steven Johnson/TENS
Sulfa, Penicillin, ARV, Anticonvulsants
Mole Screening for malignancy
Asymmetry Borders (irregular) Color (Not uniform) Diameter >5mm Evolving
Squamous Cell CA Presentation, Dx, Tx
Flesh-colored, ulceration, Sun-exposure
Dx: Bx
Tx: Resection
Seborrheic Keratosis Presentation, Dx, Tx
Large, greasy looks “stuck on”
Dx: Long-time Stable
New or changing=Bx
Tx: Cosmetic
Actinic Keratosis Presentation, Dx, Tx
Erythematous lesion, yellow-Brown, Sand-paper scale, Sun Exposure
Dx: Bx
Tx: Cryoablation
5-FU
Tinea Versicolor Presentation, Dx, Tx
Scaly Macules, Varying Color, Areas that dont tan Dx: KOH prep Spaghetti and meatballs Tx: Selenium Shampoo Ketoconazole
Vitiligo Presentation, Dx, Tx
Sharply demarcated, Patches, White, Complete depigmentation
Dx: Woods Lamp
Bx= Absence of melanocytes
Tx: Local- high potency Topical steroids
Ash-Leaf spots Presentation, Dx, Tx
Congenital, Hypopigmentation, Patches (Ash Leaf), Shagreen Patches, Adenoma Sebaceum
Dx: Woods Lamp
CT Scan
Tx: MR and Seizures
Tinea Capitus Presentation, dx, Tx
Well circumscribed Patch of haird loss, Same Length
Dx: KOH prep
Tx: Oral Griseofulvin
Alopecia Arreata Presentation, Dx, Tx
Autoimmune Circumscribed Patch Exclamation point hair Dx: Clx Tx: Steroids
Trichotillomania Presentation, Dx, Tx
Females pull out their hair, Hair all different length
Tx: Medications of OCD
Erisipelas Presentation, Dx, Tx
Adults, Dark red, well defined, Indurated, Climbing up the limb
Tx: Amoxicillin
Treatment for Acne
- Retinoids
- Benzoyl Peroxide
- Abx
- Isotretinoin
