title: A radiological assessment of the usefulness of Macewen's triangle as a surgical landmark.
mesh_terms: D002508:Cephalometry; D006801:Humans; D008416:Mastoid / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography; D013701:Temporal Bone / Q000033:anatomy & histology / Q000000981:diagnostic imaging*