Featured Derm DX, Clinics, and Look-Alikes

Derm Dx: Whitening and crumbling of fingernails

Derm Dx: Whitening and crumbling of fingernails

An 11-year-old boy presents with hand and foot blisters, a slight fever, mouth irritation, and most recently, distal whitening and ...

Derm Dx: Purplish scrotal lesions in a man with hypertension

Derm Dx: Purplish scrotal lesions in a man with hypertension

A 70-year-old man who takes hydrochlorothiazide for hypertension presents with violaceous papules on his scrotum, which also has a reddish ...

Derm Dx: Extensive sun exposure and red lesions on the arms and legs

Derm Dx: Extensive sun exposure and red lesions on the arms and legs

A 65-year-old man presents with red lesions on his arms and legs. He has no history of skin cancer but ...

Derm Dx: A firm nodule with a positive skin crease sign

Derm Dx: A firm nodule with a positive skin crease sign

A 10-year-old boy presents with an asymptomatic firm nodule on his cheek. When the lesion is squeezed, a longitudinal crease ...

Derm Dx: An enlarging erythematous nodule on the forehead

Derm Dx: An enlarging erythematous nodule on the forehead

A 43-year-old woman presents with a growing nodule on her forehead. When it was smaller, it was "easily covered by ...

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