title: Proliferating trichilemmal tumor: a case on the nose of a 70-year-old man.
abstract: The authors report a case of proliferating trichilemmal tumor on the tip of the nose of a man. This tumor is usually seen in women and on the scalp, and it shows trichilemmal keratinization on histopathology.
authors.affiliation: Private Practice, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
authors.forename: Marcius A
authors.initials: MA
authors.lastname: Peryassu
authors.forename: Bernardo C
authors.initials: BC
authors.lastname: Peryassu
authors.forename: Raphael C
authors.initials: RC
authors.lastname: Peryassu
authors.forename: Juan
authors.initials: J
authors.lastname: Piñeiro-Maceira
authors.forename: Marcia
authors.initials: M
authors.lastname: Ramos-E-Silva
keywords: Cyst; Neoplasia; Proliferating trichilemmal tumor; Trichilemmal tumor