title: A Teenager with Sudden Unilateral Breast Enlargement.
authors.affiliation: University of Trieste.
authors.forename: Maria Chiara
authors.initials: MC
authors.lastname: Pellegrin
authors.affiliation: University of Trieste.
authors.forename: Samuele
authors.initials: S
authors.lastname: Naviglio
authors.affiliation: Institute for Maternal and Child Health IRCCS Burlo Garofolo.
authors.forename: Elisabetta
authors.initials: E
authors.lastname: Cattaruzzi
authors.affiliation: Institute for Maternal and Child Health IRCCS Burlo Garofolo.
authors.forename: Egidio
authors.initials: E
authors.lastname: Barbi
authors.affiliation: University of Trieste; Institute for Maternal and Child Health IRCCS Burlo Garofolo Trieste, Italy.
authors.forename: Alessandro
authors.initials: A
authors.lastname: Ventura
mesh_terms: D058445:Bullying; D002648:Child; D006177:Gynecomastia / Q000209:etiology*; D006406:Hematoma / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D014949:Wounds, Nonpenetrating / Q000150:complications* / Q000175:diagnosis*
keywords: breast tissue; gynecomastia; nipple; pubertal; trauma