-
Apocrine gland inflammation (axilla, groin)
Hidradenitis suppurativa
-
Yellow crusted lesion around mouth
- Impetigo
- Topical dicloxicillin
-
Erythematous pustules on face/neck/back
- Acne vulgaris
- Topical retinoids, benzoyl peroxide
-
Facial redness on nose/cheeks, telangiectasias
-
Well defined thicked epithelium
- Warts (HPV)
- Trichloroacetic acid
-
Shiny papule with central umbilication
- Molluscum contagiosum
- Self-limited - kids and HIV
-
Small pale macules chest/back, scale when scraped
- Tinea versicolor (malassezia furfur)
- OTC antifungal, selenium sulfide
-
Itchy scaly plaques with central clearing
- Tinea corporis
- OTC antifungal
-
Tinea capitus
Tx - griseofulvin
-
Satellite lesions, itchy red plaques on skin creases
- Intertrigo (candida)
- Topical antifungal
-
Severe itching webs of fingers/toes, worse after hot bath
-
Target lesions, hand/soles of feet
- Erythema multiforme
- D/C drugs
-
Cradle cap, plaque with greasy yellow scale, white flaking near eyebrows
- Seborrheic dermatitis
- Selenium sulfide
-
Itchy dry skin on flexor surfaces
- Eczema (atopic dermatitis)
- Moisturizer
-
Red plaques, well-defined, silvery scales, extensor surfaces, remove scale causes bleeding
- Psoriasis
- Topical steroids
-
Oval red papules covered in white scale, herald patch --> christmas tree pattern
- Pityriasis rosea
- Self-limited
-
Erythematous nodules on anterior tibia
- Erythema nodosum - IBD, TB, sarcoid
- Self-limited
-
Pruritic, purple, polygonal papules, flat-topped
- Lichen planus - HIV, Hep C
- Steroids
-
Positive Nikolsky sign, flaccid bullae
- Pemphigus vulgaris
- Tx - PO steroids
-
Negative Nikolsky sign, hard bull
- Bullous pemphigoid
- Tx - topical steroids
-
Chronic blisters on sun-exposed areas, alcoholic/hep-C, facial hair
- Porphyria cutanea tarda
- Phlebotomy, hydroxychloroquine
-
Sand-paper brown scales, precancerous
- Actinic keratosis
- Topical 5-FU, biopsy
-
Ulcerated, keratinized growth
- Squamous Cell Carcinoma
- Tx - Moh's excision
-
Pearly paules, rolled edges
- Basal cell CA
- Tx - excision
-
Hyperpigmentation of malaria region, pregnancy
-
Male-pattern baldness
- Androgenic alopecia
- Men: finasteride, women: minoxidil
-
Complete hair loss
- Alopecia areata
- Steroid injection in area of hair loss
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