Journal List > J Korean Soc Spine Surg > v.22(1) > 1076071

Kang, Moon, and Lee: Laminoplasty and Recapping Procedure of C7 for Intradural Tumor Excision - A Case Report -

Abstract

Study Design

A case report.

Objectives

To report laminoplasty and recapping procedure of C7 for intradural tumor excision

Summary of Literature Review

Various surgical techniques have been attempted to decrease postoperative axial neck pain.

Material and Methods

Kurokawa laminoplasty of C7 was performed. Autogenous bone graft material was harvested from partial T1 laminectomy. Intradural tumor was removed without any complications. Four mini plates were applied at hinge sites of laminoplasty and one lag screw was fixed at the longitudinally splitted lamina of C7.

Results

Early range of motion without braces was possible following laminoplasty and recapping procedure. Solid union was achieved at the hinge sites of laminoplasty at the 3-month postoperative followup. No instability was observed at the 2-year postoperative followup. The visual analog scale of axial neck pain at the 2-year postoperative followup was 2.

Conclusions

Laminoplasty and recapping procedure might be a good option for intradural tumor excision to facilitate early range of motion and decrease postoperative axial neck pain.

REFERENCES

1. Wiemels J, Wrensch M, Claus EB. Epidemiology and etiol-ogy of meningioma. J Neurooncol. 2010; 99:307–14.
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2. Lee GW, Kang SS, Padua MRA, et al. C2 en bloc hemilaminectomy and recapping using laminar screws: A new approach to preserve the C2 extensor muscle during intradural tumor resection at the C2 level. J Korean Orthop Assoc. 2012; 47:452–6.
3. Xie T, Qian J, Wu X, et al. Unilateral, multilevel, interlami-nar fenestration in the removal of a multisegment cervical intramedullary ependymoma. Spine J. 2013; 13:747–53.
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Fig. 1.
Gadolinium-enhanced magnetic resonance images show an intradural extramedullary tumor at C7-T1 level.
jkss-22-20f1.tif
Fig. 2.
A 3-dimensionally reconstructed image shows the bony procedures of our technique.
jkss-22-20f2.tif
Fig. 3.
Intraoperative photographs are shown. (A) Lamina was longitudinally splitted with T-saw TM. (B) Intradural extramedullary tumor was dissected. (C) Intradural extramedullary tumor was successfully removed. (D) The longitudinally splitted lamina was reattached with a cortical lag screw and each hinge site of Kurokawa laminoplasty was fixed with Hinge plate TM, and mini plate.
jkss-22-20f3.tif
Fig. 4.
A computed tomograghy taken at 3 months after the operation shows solid union of osteomized and hinge site (black arrows).
jkss-22-20f4.tif
Fig. 5.
A plain X-ray taken after 2 years after surgery shows good alignment without any metal failure.
jkss-22-20f5.tif
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