Clinical Manifestation: Bilateral, Irregular macules or patches in sun-exposed area
What is Melasma
Clinical manifestations: comedones, papules, pustules, scarring, neck/face/shoulders/back
What is Acne Vulgaris
Clinical manifestations: burning, itching, ill-defined borders, dry/fissured skin
What is contact (irritant) dermatitis
Clinical manifestations: herald patch, christmas tree rash, scaly plaques, collarette, trunk/proximal extremities
What is Pityriasis Rosea
Clinical manifestations:
Plaque: 90% of cases, well-demarcated, erythematous papules → silvery plaques, extensor surfaces
Inverse: pink plaques with minimal scaling
Guttate: associated with strep, small salmon colored papules
Pustular: uncommon, papules or patches, localized or systemic
Erythrodermic: total body redness with desquamation, life-threatening
Nails: pitting, tan/brown nail bed, onycholysis
MSK: pain and stiffness in joints
Ocular: psoriatic lids, blepharitis, xerosis, corneal lesions
Koebner sign: lesions at site of trauma
Auspitz sign: pinpoint bleeding when removing scale
What is Psoriasis
Clinical Presentation: White macules or patches, asymptomatic, distinct borders, rarely itchy, arms/hands/face
What is Vitiligo
Clinical manifestations: itchy, burning, pustules in hair follicles, erythema, flu-like symptoms, hot tub: in bathing suit areas
What is Folliculitis
Clinical manifestations: itching, dry, erythematous, rough patches, lichenified from scratching, hyperpigmentation, dermatographism, ichthyosis, atopic triad (allergic rhinitis, asthma)
Infant: extensor surfaces
Children/Adults: flexor surfaces
What is Atopic (eczema)
Clinical Presentation: Planar, purple, polygonal, pruritic, papules/plaques
Well-demarcated, lacy white lines (wickham striae), koebner phenomenon, volar wrists, ankles, skin, oral mucosa, nails, genitalia, scalp, esophagus
What is Lichen Planus
Clinical manifestations: rarely itchy, tender, small papules and plaques that appear warty
What is Seborrheic Keratosis
This disorder is treated by topical hydroquinone cream
What is Melasma
Clinical Presentation: Deep nodules, abscesses, sinus tracts, can rupture and scar (rope-like), intertriginous areas
What is Hidradenitis Suppurativa
Clinical manifestations: sharp margins, erythema, pruritus, linear, dry, scaly, fissures, thickened, vesicles/bullae
What is contact (allergic) dermatitis
Clinical manifestations: on scalp/face/ears/chest/back, cradle cap, dry scales, oily yellowish scurf, GREASY
What is Seborrheic Dermatitis
Clinical Presentation: Small papules or vesicles that are well-demarcated, coin-shaped, lichenified, mild itching, extensor surfaces, weepy or crusty
What is Nummular Eczema
This disorder is treated by topical corticosteroids with high potency
What is Vitiligo
Clinical Presentation: no comedones, cheeks, chin, ears, nose with erythema, telangiectasias, eye involvement, burning, stinging, rhinophyma (fibrosis of nose)
What is Rosacea
This disorder is treated through moisturization, emmollients, hypoallergenic, limiting bathing, topical steroids, topical calcineurin, and phototherapy
What is eczema
Clinical Presentation: dry, leathery, hypertrophic lichenified plaque on scalp, neck, ankles, genitals, itchy with excoriations
What is Lichen Simplex Chronicus
Clinical manifestations: fever, malaise, coryza, HA, diarrhea, slap cheek rash
What is Erythema Infectiosum
What color woods lamp do you use to diagnose the two previous disorders?
What is white/blue for Vitiligo and not specified for Melasma
This disorder is classified into Moderate and Severe. Moderate treated by Topical clindamycin and oral tetracyclines and severe is treated surgically
What is Hidradenitis Suppurativa
Clinical manifestations: erythema, not in skin folds, papules, macerated
Candida will appear beefy red plaques with satellite lesions in skin folds
Secondary infections: GAS, impetigo
What is Diaper Dermatitis
Clinical Presentation: Small, clear vesicles on palms, sides of fingers, soles, severely itchy, dry, scaly, fissured (tapioca like)
What is Dyshidrotic Eczema
Clinical manifestations: fever, malaise, URI, abdominal pain, diarrhea, refusal to eat due to sore mouth, oral erosions, hallmark exanthem is vesicular eruption on palms and soles
What is Hand Foot and Mouth Disease