Featured Derm Dx

Derm Dx: Plaques, joint deformity of the hands

Derm Dx: Plaques, joint deformity of the hands

A 45-year-old woman with a previously diagnosed pruritic skin condition presents with significant joint deformity that has developed slowly over ...

Derm Dx: A farm worker with a growing lesion

Derm Dx: A farm worker with a growing lesion

A 70-year-old man presents with a 1-month history of an enlarging, irregularly pigmented macule on his forehead.

Derm Dx: Warty plaques in a unilateral pattern

Derm Dx: Warty plaques in a unilateral pattern

A 13-year-old boy presents with nonpruritic, hyperpigmented warty papules and plaques.

Derm Dx: Intensely itchy purple papules

Derm Dx: Intensely itchy purple papules

A 32-year-old woman presents with a 3-week history of an itchy rash covering her whole body.

Derm Dx: Papules and multiple endocrine neoplasia type 1

Derm Dx: Papules and multiple endocrine neoplasia type 1

A 32-year-old white woman with a history of multiple endocrine neoplasia type 1 presents with multiple oval hypopigmented papules on ...

Derm Dx: Pruritic hyperpigmentation of the lips

Derm Dx: Pruritic hyperpigmentation of the lips

A 22-year-old woman presents with pruritic hyperpigmentation of her upper and lower lips that began approximately 2 weeks previously.

Derm Dx: Erythematous nodules after heart transplant

Derm Dx: Erythematous nodules after heart transplant

A 50-year-old woman who previously underwent a heart transplant presents to the clinic with nonpainful, nondraining erythematous nodules on her ...

Derm Dx: Refractory dermatitis in a man on chemotherapy

Derm Dx: Refractory dermatitis in a man on chemotherapy

Chemotherapy was initiated in a 68-year-old man with metastatic lung cancer.

Derm Dx: A pruritic eruption on the ankles

Derm Dx: A pruritic eruption on the ankles

A 42-year-old man presents with an intensely pruritic eruption affecting both ankles for approximately 2 weeks.

Derm Dx: A well-demarcated erythematous patch

Derm Dx: A well-demarcated erythematous patch

A 76-year-old woman who resides in an extended-care facility presents with a several-month history of rash involving her right buttock.

Derm Dx: Hyperkeratotic lesions of the palms and soles

Derm Dx: Hyperkeratotic lesions of the palms and soles

A 58-year-old African American man presents with multiple hyperkeratotic lesions on his palms and soles.

Derm Dx: Widespread salmon-colored patches

Derm Dx: Widespread salmon-colored patches

A 68-year-old man is referred to a podiatry clinic for evaluation and treatment of a nail condition manifested as distal ...

Derm Dx: Trunk dermatitis that does not fluoresce under Wood's light

Derm Dx: Trunk dermatitis that does not fluoresce under Wood's light

An African American man, aged 38 years, presents for evaluation of an extensive rash involving his chest and back.

Derm Dx: Cystic nodule on a man's forearm

Derm Dx: Cystic nodule on a man's forearm

A 58-year-old man requests removal of a lesion on his left forearm.

Derm Dx: Mid-scalp alopecia in a woman

Derm Dx: Mid-scalp alopecia in a woman

An African American woman, aged 48 years, presents with marked alopecia of her mid-scalp that has progressed over several years.

Derm Dx: Redness on a woman's face and torso

Derm Dx: Redness on a woman's face and torso

A woman presents with a rash that has developed on her face and upper torso.

Derm Dx: Scaling hyperkeratosis of one hand and both feet

Derm Dx: Scaling hyperkeratosis of one hand and both feet

A 58-year-old man requests evaluation for dermatitis that has been affecting his right hand for more than 1 year.

Derm Dx: Erythematous, indurated, follicular dermatitis on the shin

Derm Dx: Erythematous, indurated, follicular dermatitis on the shin

A 45-year-old woman presents with an itchy rash on her right leg.

Derm Dx: A recurring firm and hyperpigmented nodule

Derm Dx: A recurring firm and hyperpigmented nodule

A 45-year-old woman who is moderately obese presents with a recurrent lesion on her left leg.

Derm Dx: Rectal rash preceded by pain in an elderly man

Derm Dx: Rectal rash preceded by pain in an elderly man

A 71-year-old man presents for evaluation of a rash affecting his rectum and right buttock.

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