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Psoriasis

•More in men

•Auspitz

•Spongiform pustule of Kogoj

•Munro’s micro-abscess

•7% of patients with arthritis

•Autosomal dominance

Erythema Multiforme

•Target lesion

•A.K.A. Steven Johnson syndrome

•Recurrence

•“Iris lesion”

Pemphigus Vulgaris

•40-60 years age

•Jewish population

•Intra-epidermal bullae

•Keratinocytes with IgG

•Ethanol Abuse

Bullous Pemphigoid

•60+ age

•Linear IgG in basement membrane

Basal Cell Carcinoma

•Most common skin neoplasm

•Mostly face and scalp

•Pearly border

•Palisading

•Sunlight

Kaposi’s Sarcoma

•More in men

•Children

•Lower extremities with or without visceral involvement

•AIDS

•Purple Plaques

•Spindle cells

•Hemosiderin

Malignant Melanoma

•Horizontal and vertical growth

•Epidermal-dermal junction

•Clark’s level

•Sun exposure

•Most malignant skin neoplasm

•Nodular melanoma

•Metastasis

Acanthosis Nigricans

•Chronic external irritation

•Visceral/internal malignancies

•Hyper-pigmentation

Vitiligo

•Albino-like manifestations

•Antimelanocyte antibodies

Squamous Cell Carcinoma

•Men more than women

•Sun-damaged skin

•Metastatic potency

•Keratin pearls

Herpes Zoster

•Chicken pox

•Dorsal root ganglia

•Dermatome eruption

Albinism

•Tyrosine

•Ocular: X-linked

Contact Dermatitis

•T-cells