Noah S. Scheinfeld, MD, JD

Articles

Cellulitis and Erysipelas

February 02, 2007

Declining cardiovascular function, poor circulation, diabetes, obesity, cancer, immunodeficiency, renal disease, and thinned, xerotic skin provide the setting for a host of bacterial infections in elderly persons that can involve any level or structure of the skin.

Impetigo

February 02, 2007

This vesiculopustular eruption manifests with honey-colored crusted erosions. As it resolves, the crusts can turn brown; hyperpigmentation and scale may be evident.

Folliculitis

February 01, 2007

Folliculitis, which features vesicles filled with white blood cells (pustules), usually affects hair-bearing sites, such as the scalp, neck, beard area, axillae, buttocks, and limbs.

Pasted-on Appearance of Seborrheic Keratoses

December 01, 2006

Seborrheic keratoses are the most common neoplasms in elderly persons and affect up to 60% of this population. Risk factors for these lesions are thought to include genetic predisposition, age, and sun exposure.

Squamous Cell Carcinoma and Verrucous Carcinoma

August 17, 2006

Squamous cell carcinoma (SCC), the second most common type of skin cancer, most often occurs on the sun-exposed skin of elderly men and women. Marjolin ulcers are SCCs that result from exposure to radiation and can arise in areas of chronic injury, typically on the extremities.

Basal Cell Carcinoma: Five Varieties

August 01, 2006

Basal cell carcinoma (BCC) is the most common cancer in the United States; more than 1 million cases are reported annually. BCC is a carcinoma of aging and usually manifests in areas of chronic sun exposure.

Wart or Mimic? Part 2

June 01, 2006

Photo Quiz: Wart or Mimic? Part 2

Warts:

March 01, 2006

Nongenital cutaneous warts--that is, common, plantar, filiform, and flat warts--are manifestations of the human papillomavirus (HPV). These warts are among the most common dermatologic complaints seen in primary care practices and are among the most common lesions treated by dermatologists.

Photo Quiz: Wart or Mimic?

March 01, 2006

During a routine examination, an asymptomatic wartlike lesion is noted near the axilla of a 35-year-old woman. The patient says that it has been present since childhood.

Various Manifestations of Psoriasis

June 01, 2005

Nail involvement can be seen in all types of psoriasis. Note the characteristic discoloration and hyperkeratosis.