Featured Derm Dx

Derm Dx: Penile lesions in an HIV-positive man

A 52-year-old, HIV-positive man presents with penile lesions that have persisted despite treatment with acyclovir.

Derm Dx: Linear dermatosis that follows the lines of Blaschko

A 3-year-old boy presents with linear bands of slightly hypopigmented papules that follow the lines of Blaschko.

Derm Dx: Striking pigmentation on a former chemical plant worker

A 43-year-old man who has impaired mentation and currently resides in an extended-care facility is being followed for discoid lupus erythematosus affecting his right cheek.

Derm Dx: Recurring rash after sun exposure

A 62-year-old woman presents for evaluation of a rash affecting both arms.

Derm Dx: Asymptomatic growth on nose

A 47-year-old woman requests evaluation for a growth on her nose.

Derm Dx: Painful lesion of the ear

A 68-year-old man comes to the clinic complaining of a painful lesion affecting his right ear.

Derm Dx: Dark spots on the lip

A 33-year-old woman requests consultation for dark spots that have been present on her lip for several years.

Derm Dx: An asymptomatic papule on the thigh

A 55-year-old woman seeks consultation for a lesion on her left thigh.

Derm Dx: Multiple white papules on the penis

A 30-year-old African-American man is evaluated for lesions on his penis.

Derm Dx: A hyperkeratotic plaque on the left temple

A 63-year-old male was referred for evaluation and treatment of a lesion that arose on his left temple.

Derm Dx: A nodule on the forearm

A 70-year-old man requests treatment for a lesion of his left forearm.

Derm Dx: A lesion on the lip

A 55-year-old man requests removal of a lesion affecting the vermilion border of his left lip commissure.

Derm Dx: A rare type of urticaria

A 30-year-old man presents with a 5-year history of an episodic rash.

Derm Dx: A nodule on the scalp since childhood

A 39-year-old woman requests removal of a growth on her scalp.

Derm Dx: Asymptomatic hyperkeratotic papules

A 51-year-old man with limited mentation is referred for evaluation of 2 papules on his back.

Derm Dx: A large ulceration and tortuous varicosities

A 90-year-old woman presents for evaluation and treatment of an ulceration that has been on her left leg for >1 year.

Derm Dx: A lesion on the scalp

The patient is an 86-year-old woman who presents for evaluation of a growth on her scalp.

Derm Dx: An uncommon neoplasm

A 63-year-old white woman presents for evaluation of a bump on her left foot.

Derm Dx: Comedones on the cheeks

A 79-year-old man presents for treatment of a forehead cyst that has been excised surgically.

Derm Dx: An uncommon pruritic eruption

A 53-year-old nurse presents for evaluation of a minimally pruritic eruption affecting her arms and legs that has been present for 5 months.

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