title: An unusual antral mass.
mesh_terms: D000368:Aged; D003481:Cuspid / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000000981:diagnostic imaging*; D011859:Radiography