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American Journal of Neuroradiology 25:1263-1265, August 2004
© 2004 American Society of Neuroradiology

Case Report
HEAD AND NECK

Giant Cell Reparative Granuloma of the Nasal Cavity

Jonathan M. Morris^a, John I. Lane^b, Robert J. Witte^b and Dana M. Thompson^c

^a Departments of Radiology, Mayo Clinic, Rochester, MN
^b Neuroradiology, Mayo Clinic, Rochester, MN
^c Otorhinolaryngology, Mayo Clinic, Rochester, MN

Address correspondence to Jonathan M. Morris, M.D., Department of Radiology, The Mayo Clinic, 200 First Street SW, Rochester, MN 55905

Summary: We report an unusual case of giant cell reparative granuloma (GCRG) arising in the nasal cavity of a 7-year-old girl. GCRG is an uncommon benign lesion that is most commonly found in the mandible and maxilla. The MR imaging and CT findings of this lesion, as well as GCRGs in other craniofacial bones and extragnathic sites, will be reviewed. Although rare, the imaging characteristics of GCRGs should be recognized, and this entity should be suggested when the clinical information, CT, and MR features suggest a fibrous-osseous lesion in the nasal cavity.

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