American Journal of Neuroradiology, Vol 14, Issue 1 215-218, Copyright © 1993 by American Society of Neuroradiology
ARTICLES |
Amyloidoma of the nasopharynx: CT and MR findings
JL Hegarty and VM Rao
Department of Radiology, Thomas Jefferson University Hospital, Jefferson Medical College, Philadelphia, PA 19017.
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.
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