title: Quiz case: thymoma.
authors.affiliation: Department of Diagnostic Imaging, Teknon Medical Center, Barcelona, Spain.
authors.forename: J C
authors.initials: JC
authors.lastname: Pernas
authors.forename: J
authors.initials: J
authors.lastname: Catalá
authors.forename: P
authors.initials: P
authors.lastname: Veciana
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D013945:Thymoma / Q000000981:diagnostic imaging* / Q000601:surgery; D013950:Thymus Gland / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed