label: Pagetoid Reticulosis
label_lc: pagetoid reticulosis
description: A variant of mycosis fungoides, characterized by an exclusively intraepidermal atypical (cerebriform) lymphocytic infiltrate.  Patients present with a localized psoriasiform or hyperkeratotic patch or plaque, usually in the extremities.  Extracutaneous dissemination of the disease has never been reported.