title: [What is your diagnosis? Gynecomastia in Klinefelter syndrome (hypergonadotropic hypogonadism)].
authors.affiliation: Kinder- und Jugendmedizin FMH Gesundheitszentrum Spitalgasse 40, 3011 Bern. sabine.zehnder@sofim.com
authors.forename: S
authors.initials: S
authors.lastname: Zehnder Schlapbach
authors.forename: P
authors.initials: P
authors.lastname: Mullis
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D006177:Gynecomastia / Q000209:etiology*; D006801:Humans; D007713:Klinefelter Syndrome / Q000175:diagnosis*; D008297:Male; D011628:Puberty, Delayed / Q000209:etiology*