Charles E. Crutchfield III, MD

September 14, 2005

Although tinea versicolor is fairly common, its appearance on the face and neck is unusual, notes Robert P. Blereau, MD of Morgan City, La. His patient, a 30-year-old woman, exhibits the pale, rounded, fine-scaled lesions typically found on tanned or dark-skinned persons.

September 14, 2005

The sharp transitions in pigmentation on the anterior surface of the arms of this 49-year-old black man were noted as an incidental finding. The arms' lateral aspects were distinctly more deeply pigmented than the medial aspects. In addition, a hyperpigmented band was present over each pectoral area, while a hypopigmented vertical stripe covered the sternum. These symmetric transitions in pigmentation are normal variants found most commonly in blacks and are known as pigmentary demarcation lines.

September 14, 2005

This 19-month-old child exhibits the characteristic features of hypomelanosis of Ito, a neurocutaneous disorder.

September 14, 2005

A 48-year-old man requested medical evaluation of the multiple spots that gradually appeared on his legs over the past 5 years.

September 14, 2005

Flat, tan-pink patches on his lower legs disturbed a 52-year-old man. The lesions had visible, nonpalpable petechiae, which did not blanch on diascopy; telangiectasia and inflammatory vasodilation, therefore, were excluded from consideration.

September 14, 2005

Flesh-colored to red-brown nonpruritic papules developed most prominently on the elbows, forearms, and knees of a 2 1⁄2-year-old boy. The rash was preceded by a low-grade fever and mild, upper respiratory tract symptoms.

September 14, 2005

our years ago, this patient had necrotizing cellulitis of the right calf that required surgical debridement. He did well for the next 2 years, but then his lower leg became increasingly swollen.

September 14, 2005

A 69-year-old woman, who was being seen regularly for treatment of psoriasis, was noted to have numerous open comedones on the sides of her face in association with photodamaged skin.

September 14, 2005

After having been bothered by these lesions for the past 9 months, a 27-year-old woman described the eruption as "itchy bumps under my arms."

September 14, 2005

A 23-year-old man complained of unsightly “flat warts” all over his chest. These lesions first appeared in early adolescence. The clinical suspicion of epidermodysplasia verruciformis was confirmed by a biopsy.