Figure 1. The most common form of melasma is characterized by pigmentation on forehead, cheeks, upper lip, and chin.
Figure 2. Acneiform lesions of rosacea, often seen with facial telangiectasia and erythema, usually occur on nose, cheeks, chin, and forehead.
Figure 3. With prolonged use of topical fluorinated steroids, rosacea may be associated with periorbital or perioral pustular lesions, shown here.
Figure 4. Inflamed papules and pustules, features of severe acne vulgaris.
Figure 5. Nodular and cystic lesions may appear in extreme cases of acne, causing severe scarring.
Figure 6. Photosensitive malar erythema, presenting in characteristic butterfly pattern, common cutaneous manifestation of systemic lupus erythematosus.
Figure 7. Discoid lupus erythematosus characterized by discoid erythematous patches and plaques on sun-exposed parts of face, scalp, and ears. Center of lesion usually shows epidermal atrophy with follicular plugs and telangiectasia.
Figure 8. Irritant contact dermatitis typically begins under a ring and spreads to web spaces between fingers, then to fingers, palms, and dorsum of hand.
Figure 9. Contact allergy dermatitis occurs after cutaneous exposure to allergen. Reaction to nickel may be triggered by costume jewelry, manifesting as dermatitis on earlobes (shown here), neck, or wrists.
Figure 10. Fragrance in cosmetics or toiletries, such as deodorant, may be identified as allergen when dermatitis is seen on face and neck, or axillae.
Figure 11. Paraphenylenediamine, a chemical found in hair dyes, should be suspected allergen when dermatitis presents on scalp, hairline, or eyelids.
Figure 12. Clinical presentation of androgenic alopecia in women is not classic frontoparietal recession common in men. Most women present with thinning of scalp hair over vertex only.
Figure 13. Eczematous lesion, crusted with serous and blood-stained discharge, characteristic of Paget's disease of the nipple. Prognosis generally good if treatment initiated early.
Figure 14. Lichen sclerosis occurs more commonly in women than men. In women, lesions (usually appearing on vulva) are small, flat papules, white or ivory in color. Lesions are shiny and translucent at first, but eventually form plaques.
Figure 15. Symptoms of primary genital herpes usually more severe in women than men. Lesions present as painful erythematous papulovesicular eruptions on vulva, labia, and mucocutaneous junctions of introitus and perineum.