title: Petromastoid canal.
authors.affiliation: Servicio de Otorrinolaringología y Patología Cérvico-Facial, Hospital Clínico Universitario de Valladolid, Valladolid, España. Electronic address: eamena@saludcastillayleon.es.
authors.forename: Eduardo Antonio
authors.initials: EA
authors.lastname: Mena-Domínguez
authors.affiliation: Servicio de Otorrinolaringología y Patología Cérvico-Facial, Hospital Clínico Universitario de Valladolid, Valladolid, España.
authors.forename: José Ignacio
authors.initials: JI
authors.lastname: Benito-Orejas
authors.affiliation: Servicio de Otorrinolaringología y Patología Cérvico-Facial, Hospital Clínico Universitario de Valladolid, Valladolid, España.
authors.forename: Darío
authors.initials: D
authors.lastname: Morais-Pérez
mesh_terms: D000818:Animals; D006801:Humans; D007231:Infant, Newborn; D008416:Mastoid / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D010579:Petrous Bone / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D054776:Semicircular Ducts / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed