Featured Derm Dx

Derm Dx: A baby with a rash on the hands and feet

A 3-month-old Hispanic male presents with scattered flesh-colored papules and pustules on his palms and soles.

Derm Dx: Itchy bumps on a man who uses a hot tub regularly

A man presents with itchy bumps on his arms and legs. He lives alone, does not have pets, and uses a hot tub regularly.

Derm Dx: Hyperpigmented, hyperkeratotic papules covered by waxy scale

A moderately obese 40-year-old white woman presents with an intermittently pruritic rash on her chest and flexural and anogenital regions.

Derm Dx: Why would this word appear on this man's back?

A 20-year-old college student presents with a 4-week history of intermittent itching, and stroking of the skin of his back elicits raised wheals.

Derm Dx: A new scalp lesion in a man with a history of cancer

An 84-year-old man with a history of sun exposure, basal and squamous cell carcinomas, and solar keratoses presents with a new lesion on his scalp.

Derm Dx: Geometrically arranged furrows on the neck

Examination of a fair-skinned 80-year-old man who comes in for treatment of actinic keratoses finds geometrically arranged furrows on his posterior neck.

Derm Dx: Distressing male groin lesions

A 40-year-old man presents with a 2-year history of asymptomatic but psychologically distressing lesions on his groin.

Derm Dx: A rash about the mouth and chin

A 21-year-old woman presents with a rash over her mouth and chin that clears when treated with oral prednisone and then flares shortly after discontinuation.

Derm Dx: A diffuse erythematous eruption on a teenager

A 16-year-old female presents with a diffuse erythematous eruption with minimal scale, sparing the palms, soles, and face.

Derm Dx: Ptosis following an outpatient cosmetic procedure

A 54-year-old man presents with a 2-week history of a drooping eyelid. He is taking finasteride and underwent an outpatient cosmetic procedure 3 weeks earlier.

Derm Dx: Progressive discoloration of the buttocks

A 53-year-old woman presents with dusky red, slightly indurated, well-demarcated plaques on the buttocks. The condition is asymptomatic but of cosmetic concern.

Derm Dx: A pimple that didn't stop growing

A 44-year-old man presents with a 3-year history of what he calls a "pimple that didn't stop growing." He admits to both alcohol and cigarette use.

Derm Dx: A hairdresser notices a scalp lesion on her client

A hairdresser notices a lesion on the scalp of an 89-year-old woman. The patient did not realize it was there; the lesion does not itch or bleed.

Derm Dx: Vesiculation under the lip

A woman with a history of Hashimoto thyroiditis presents with hair thinning and an erythematous patch with vesiculation under her lip.

Derm Dx: A rash that doesn't respond to steroids

On receiving treatment for seborrheic keratosis on his back, another rash is noted on a man’s chest and abdomen. The other rash has not responded to steroid treatment in the past.

Derm Dx: Scattered papules on a high school football player

A 16-year-old high school football player presents with scattered flesh-colored papules, and he does not know if his girlfriend, other family members, or teammates has the same lesions.

Derm Dx: An asymptomatic flesh-colored nodule of unknown duration

A flesh-colored nodule is found on examination of a 42-year-old fair-skinned woman. She does not know how long it has been present.

Derm Dx: A growing rash on a man with a history of sun exposure

A fair-skinned 48-year-old man with a history of ample sun exposure presents with dilated blood vessels, brownish hyperpigmentation, and thinning of the epidermis on his neck and upper chest.

Derm Dx: A painful lesion on the inside of the lip

A 50-year-old woman presents with a painful lesion on the inside of her upper lip. She has had similar lesions before, and they heal without scarring.

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