title: Amyloidoma of the nasopharynx: CT and MR findings.
abstract: A case of nasopharyngeal amyloidoma with extensive skull base erosion is presented. CT revealed a large, relatively homogeneous, enhancing lesion; MR revealed a signal intensity iso- or slightly hyperintense compared to muscle on T1- and T2-weighted images, with a moderate degree of contrast enhancement. When an erosive mass is encountered at the skull base in a submucosal location in the nasopharynx, and MR demonstrates short T2 relaxation with signal iso- or slightly hyperintense relative to muscle, amyloidoma should be included in the differential diagnosis.
authors.affiliation: Department of Radiology, Thomas Jefferson University Hospital, Jefferson Medical College, Philadelphia, PA 19017.
authors.forename: J L
authors.initials: JL
authors.lastname: Hegarty
authors.forename: V M
authors.initials: VM
authors.lastname: Rao
mesh_terms: D000368:Aged; D000686:Amyloidosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009302:Nasopharyngeal Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed