title: [Doughnut sign in thyroid lymphoma].
authors.affiliation: Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario de la Princesa, Madrid, España. pepedenova@gmail.com
authors.forename: José Luis
authors.initials: JL
authors.lastname: Muñoz de Nova
authors.forename: Ana
authors.initials: A
authors.lastname: Rodríguez Sánchez
authors.forename: Joaquín
authors.initials: J
authors.lastname: Gómez Ramírez
authors.forename: Eduardo
authors.initials: E
authors.lastname: Larrañaga Barrera
mesh_terms: D005260:Female; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000000981:diagnostic imaging*; D008875:Middle Aged; D013964:Thyroid Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed