Whoan Jeang Kim; Sang Wook Jeong; Kun Young Park; Hwan Il Seong; Won Cho Kwon; Won Sik Choy

doi:10.4184/jkss.2015.22.3.123

Journal List > J Korean Soc Spine Surg > v.22(3) > 1076057

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Kim, Jeong, Park, Seong, Kwon, and Choy: Surgical Treatment of Spinal Extradural Arachnoid Cyst – A Case Report –

Case Report

Journal of Korean Spine Surg 2015;22(3):123-126.

Published online: 21 September 2015

DOI: https://doi.org/10.4184/jkss.2015.22.3.123

Surgical Treatment of Spinal Extradural Arachnoid Cyst – A Case Report –

Whoan Jeang Kim, M.D., Sang Wook Jeong, M.D., Kun Young Park, M.D., Hwan Il Seong, M.D., Won Cho Kwon, M.D., Won Sik Choy, M.D.

Department of Orthopedic Surgery, Eulji University School of Medicine, Daejeon, Korea

Corresponding author: Whoan Jeang Kim, M.D. Department of Orthopedic Surgery, Eulji University Hospital, 95, Dunsanseoro, Seo-gu, Daejeon 302-799, Korea TEL: +82-42-611-3267, FAX: +82-42-259-1289 E-mail: hjkim@eulji.ac.kr

Received 16 June 2015 Revised 9 July 2015 Accepted 12 August 2015

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

Study Design

A case report.

Objectives

To report a case of spinal extradural arachnoid cyst.

Summary of Literature Review

Extradural arachonid cysts of the spine are a rare cause of spinal cord and nerve root compression. There are few reports about it, and the etiology remains unclear.

Materials and Methods

The authors performed a clinical and radiographic case review.

Results

A 56-year-old male patient presented with both lower extremity radiating pain and tingling sensation in both feet for four years. His MRI revealed a large, well-demarcated extradural lesion, isointense to cerebrospinal fluid from L1 to L3. We performed dural repair and laminectomy for partial resection of the cyst. The outcome was good in the immediate postoperative period, and the patient made a full recovery without complications.

Conclusions

Surgical treatment should be considered for large spinal extradural arachnoid cysts with neurologic symptoms when conservative treatment does not work.

Keywords: Extradural arachnoid cyst, Dural defect, Surgical treatment

REFERENCES

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Fig. 1.

A preoperative MRI shows an arachnoid cyst from L1 to L3. A Hypointense T1-weighted image (A) Hyperintense T2-weighted image (B) An axial view (C, D) Shows dural compression.

Fig. 2.

A lateral view of the myelogram. There is no communication between the cyst and subarachnoid space.

Fig. 3.

An intraoperative view showing a grayish translucent cyst.

Fig. 4.

A histopathological examination of the cyst wall showed a fibro-cartilagenous layer with a thin layer of simple squamous epithelium.

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