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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1198-1200, June-July 2006
© 2006 American Society of Neuroradiology

Case Report
SPINE

Melorheostosis Involving the Cervical and Upper Thoracic Spine: Radiographic, CT, and MR Imaging Findings

A.M. Motimayaa and S.P. Meyersb

^a Department of Radiology, King’s Daughter Medical Center, Rochester, NY
^b Department of Diagnostic Radiology, University of Rochester Medical Center, Rochester, NY

Address reprint requests to Steven P. Meyers, MD, PhD, Department of Radiology, P.O. Box 648, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642

SUMMARY: Melorheostosis, an uncommon mesenchymal dysplasia, rarely affects the axial skeleton. We describe the imaging findings of melorheostosis involving the cervical and upper thoracic spine. Radiographs and CT showed unilateral well-marginated undulating zones of cortical hyperostosis involving multiple vertebrae that were contiguous with a coalescent ossified right paravertebral mass. MR imaging showed zones of signal intensity void on all pulse sequences without contrast enhancement. Conservative management was elected because of lack of interval clinical and imaging changes for 8 years.