Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

Differential Diagnosis in Dermatopathology

Discussions

Epidermolytic hyperkeratosis and a plane wart share several findings histopathologic, among them being a papillated and thickened epidermis, hypergranulosis, and cells with pale cytoplasm within the epidermis. The terms “epidermolytic hyperker…