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Cha, Cho, Ko, Jung, Youm, Jung, Park, and Lee: The Crowned Dens Syndrome - A Case Report -
Case Report

Journal of Korean Spine Surg 2008;15(4):286-289.

Published online: 18 January 2008

DOI: https://doi.org/10.7469/JKSS.2008.15.4.286

The Crowned Dens Syndrome - A Case Report -

Jae-Ryong Cha, M.D., Sung-Do Cho, M.D., Sang-Hun Ko, M.D., Kwang-Hwan Jung, M.D., Yoon-Seok Youm, M.D., Jee-Young Jung, M.D., Ki-Bong Park, M.D., Chae-Chil Lee, M.D.

Department of Orthopedic Surgery, Ulsan University Hospital, Ulsan, Korea

Address reprint requests to Chae-Chil Lee, M.D. Department of Orthopedic Surgery, Ulsan University Hospital, University of Ulsan Colleage of Medicine 290-3 Cheonha-Dong, Dong-Ku, Ulsan, Korea Tel: 82-52-270-7129, Fax: 82-52-235-2823, E-mail: jrcha@uuh.ulsan.kr

Copyright © 2008 Korean Society of Spine Surgery

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Patients with Crowned dens syndrome typically present with severe neck pain and have calcification around the axial odontoid process on radiographs. To our knowledge, Crowned dens syndrome is unreported in the Korean literature and the clinical features remain unclear. We present Crowned dens syndrome as a cause of acute cervical pain and review the literature.

Keywords: Odontoid process, calcification, Crowned dens syndrome

REFERENCES

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Fig. 1.
(A) Anteroposterior radiographs of the cervical spine showed scoliosis of cervical spine. (B) Lateral radiographs of the cervical spine.
jkss-15-286f1.tif
Fig. 2.
Patterns of calcifications according to localization and extent in relation to the odontoid process of the axis on computed tomography scans. (A) The axial view of computed tomography scans showed multiple calcifications (0.8×1.2×1.0 cm) in right lateral aspect of odontoid process of C2. (B) The coronal view of computed tomography scans showed calcifications (0.8 ×1.2×1.0 cm) in right lateral aspect of odontoid process of C2.
jkss-15-286f2.tif
Fig. 3.
(A, B) Magnetic resonance images of a patient, showing a low-signal intensity change in right lateral aspect of odontoid process of C2.
jkss-15-286f3.tif
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