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American Journal of Neuroradiology 22:1887-1889 (November 2001)
© 2001 American Society of Neuroradiology

HEAD AND NECK

Unusual CT Appearance in an Odontogenic Keratocyst of the Mandible: Case Report

Koichi Yonetsua, Jorge G. Bianchia, Maria J. Troulisa and Hugh D. Curtina

a From the Department of Radiology (K.Y.), Nagasaki University Hospital of Dentistry, Japan; the Departments of Maxillofacial Radiology (J.G.B.) and Oral and Maxillofacial Surgery (M.J.T.), Harvard School of Dental Medicine, Boston, MA; and the Department of Radiology (H.D.C.), Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston.

Summary: An expansile lesion in the body of the left mandible had high attenuation (225 HU) on nonenhanced CT scans. Histologic examination revealed an odontogenic keratocyst with no evidence of mineralization or calcification within the lesion. The high attenuation was considered to be due to highly concentrated protein of thick, viscous keratin in the lumen of the keratocyst.






Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X