title: When to question the diagnosis of anaplastic carcinoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000000981:diagnostic imaging* / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D011859:Radiography