Pigmented squamous intraepithelial neoplasia of the anogenital area: A histopathological and immunohistochemical study of 64 specimens from 45 patients exploring the mechanisms of pigmentation - Kacerovska, D; Requena, L; Carlson, JA; Santonja, C; Michal, M; Bouda, J; Konstantinova, AM; Kaspirkova, J; Fikrle, T; Rotter, L; Kazakov, DV (AMERICAN JOURNAL OF DERMATOPATHOLOGY, 2014)