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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1660-1662, September 2006
© 2006 American Society of Neuroradiology

Case Report
HEAD & NECK

Temporal Giant Cell Reparative Granuloma: A Reappraisal of Pathology and Imaging Features

C. Reis^a, J.M. Lopes^b,d,e, E. Carneiro^a, A. Vilarinho^c, R. Portugal^b, F. Duarte^c and J. Fonseca^a

^a Department of Neuroradiology, Hospital S. João, Porto, Portugal
^b Department of Pathology, Hospital S. João, Porto, Portugal
^c Department of Neurosurgery, Hospital S. João, Porto, Portugal
^d Porto Medical School, Porto, Portugal
^e IPATIMUP, Porto, Portugal

Address correspondence to Carina Reis, Department of Neuroradiology, Hospital S. João, Porto, Portugal; E-mail: reis_carina{at}yahoo.com

SUMMARY: We report a case of large temporal giant cell reparative granuloma in a 72-year-old man. MR imaging depicted a right temporal expansile multiloculated lesion, with hyper- and hypointense signal areas on T2-weighted images, heterogeneously enhancing after gadolinium administration. Cortical thinning and bone remodeling of the temporal squamous portion were better seen on CT. The patient underwent surgery, and the diagnosis was achieved by the correlation of imaging, histologic, and laboratory findings.