Differential Diagnosis in Dermatopathology

Discussions

Porokeratotic epidermal nevus and inflammatory linear verrucous epidermal nevus have in common well-circumscribed loci of parakeratosis beneath which the granular zone is absent, alternation of zones of ortho- and parakeratosis, and an epidermis tha…

Differential Diagnosis in Dermatopathology

Discussions

Pale-cell acanthoma and a plaque of psoriasis have numerous attributes histopathologic in common. Both are characterized by elongated epidermal rete ridges and correspondingly elongated dermal papillae. The long papillae house dilated, tortuous capi…

Differential Diagnosis in Dermatopathology

Pale-cell acanthoma vs. Psoriasis, plaque expression

A keratotic condition of the palms and soles, inherited usually, but sometimes acquired, in which involvement may be diffuse, circumscribed (including striate), or punctate….