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Treatment of Cervical Cord Compression, Caused by Hereditary Multiple Exostosis, With Laminoplasty: A Case Report

Oga, Masayoshi, MD; Nakatani, Fumihiko, MD; Ikuta, Kou, MD; Tamaru, Takuya, MD; Arima, Jyunichi, MD; Tomishige, Mamoru, MD

Case Reports

Study Design. Case report.

Objectives. Successful excision of the exostosis within the spinal canal.

Summary of Background Data. Myelopathy caused by exostosis within the spinal canal developed in a 13-year-old boy with hereditary multiple exostosis.

Methods. Spinous process–splitting laminoplasty with an ultrasonic knife was performed to remove the mass and minimize the possibility of postlaminectomy kyphosis.

Results. The spinal canal exostosis with cervical cord compression was excised successfully with laminoplasty. After surgery there has been no recurrence of tumor, and the stability of the cervical spine has been preserved.

Conclusion. This is the first report of laminoplasty as a useful surgical approach for intraspinal exostosis to prevent postoperative cervical instability.

From the Department of Orthopaedics, Hiroshima Red Cross Hospital, Hiroshima, Japan.

Acknowledgment date: January 25, 1999.

First revision date: March 18, 1999.

Acceptance date: August 23, 1999.

Address reprint requests to

Masayoshi Oga, MD

Department of Orthopaedics

Hiroshima Red Cross Hospital

1–9-6 Sendamachi


Hiroshima 730-0052, Japan

Device status category: 1.

Conflict of interest category: 12.

© 2000 Lippincott Williams & Wilkins, Inc.