Ten tips for treating acne vulgaris in Fitzpatrick skin types IV-VI.

During the 21st century, people with skin of color will account for a large portion of the US population. According to race projections from the US Census Bureau, persons of African American, Hispanic, Asian and Native American descent will make up nearly half of the total US population by the year 2050. Because of our changing demographics, it is important that all dermatologists become comfortable in treating skin of color.

A case of desmoplastic trichilemmoma of the lip treated with Mohs surgery.

Background: Desmoplastic trichilemmoma is a rare pseudomalignant variant of trichilemmoma. It generally presents as a small papule on the face and is often clinically misdiagnosed as a basal cell carcinoma or verruca vulgaris. It is histologically similar to a trichilemmoma, but has a central area of desmoplasia that can mimic an invasive carcinoma.

Polymorphic light eruption.

Polymorphic light eruption (PMLE) is the most common photodermatosis. It is typically characterized by nonscarring, pruritic, erythematous papules, plaques, or vesicles on sun-exposed skin that develop 30 minutes to several hours after sun exposure. The eruption may persist for a few hours to as long as 2 weeks.

Topical antibacterial agents for wound care: a primer.

Although often overlooked, topical antibiotic agents play an important role in dermatology. Their many uses include prophylaxis against cutaneous infections, treatment of minor wounds and infections, and elimination of nasal carriage of Staphylococcus aureus. For these indications, they are advantageous over their systemic counterparts because they deliver a higher concentration of medication directly to the desired area and are less frequently implicated in causing bacterial resistance.