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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 28:608-609, April 2007
© 2007 American Society of Neuroradiology

Case Report
HEAD & NECK

Unique Imaging Findings in the Facial Bones of Renal Osteodystrophy

J. I. Chang^a, P.M. Som^b and W. Lawson^a

^a Department of Otolaryngology-Head and Neck Surgery, Mount Sinai School of Medicine, New York
^b Department of Radiology, Mount Sinai Hospital, New York

Please address correspondence to Peter M. Som, MD, Department of Radiology, Mount Sinai Hospital, 1 Gustave L. Levy Pl, New York, NY 10029; e-mail: peter.som{at}mssm.edu

SUMMARY: Facial skeletal changes associated with hyperparathyroidism assume 3 radiographic patterns: osteitis fibrosa cystica, fibrous dysplasia, and leontiasis ossea. The 3rd pattern is unique to renal osteodystrophy. We report a case of uremic leontiasis ossea with CT images illustrating significant hypertrophy of the jaws with serpiginous tunneling within the bone and poor visualization of the cortical bone.