Multiple Extradural Arachnoid Cyst

Hak-Jin Min; Jin-Soo Kim; Ui-Seoung Yoon; Ki-Hyun Jo; Jae-Seong Seo; Joo-Young Chung

doi:10.4184/jkss.2009.16.2.122

Journal List > J Korean Soc Spine Surg > v.16(2) > 1035842

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Min, Kim, Yoon, Jo, Seo, and Chung: Multiple Extradural Arachnoid Cyst

A Case Report

Journal of Korean Spine Surg 2009;16(2):122-126.

Published online: 21 February 2009

DOI: https://doi.org/10.4184/jkss.2009.16.2.122

Multiple Extradural Arachnoid Cyst

Hak-Jin Min, M.D., Jin-Soo Kim, M.D., Ui-Seoung Yoon, M.D., Ki-Hyun Jo, M.D., Jae-Seong Seo, M.D., Joo-Young Chung, M.D.

Department of Orthopedic Surgery, Seoul Medical Center, Seoul, Korea

Address reprint requests to Jae-Seong Seo, M.D. Department of Orthopaedic Surgery, Seoul Medical Center 171-1 Samsung-dong, Gangnam-gu, Seoul, Korea. Tel: 82-2-3430-0675, Fax: 82-2-539-1262, E-mail: hananina@dreamwiz.com

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

Multiple extradural arachnoid cysts of the spine are extremely uncommon in children with only a few cases reported. The authors report a case of multiple extradural spinal arachnoid cysts in children with a review of the relevant literature.

Keywords: Arachnoid cyst

REFERENCES

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Fig. 1.

Preoperative sagittal T1-weighted (A) and T2-weighted (B) spine MR images demonstrating extensive cystic lesion causing spinal cord compression. The spinal cord is pushed ventrally in the spinal canal. Axial T2-weighted MR images obtained at T4 (C) and T11 (D), showing that the cystic lesions are extradural in location.

Fig. 2.

Intraoperative photographs showing spinal arachnoid cysts. A T10-L2 laminectomy was performed to expose the large extradural spinal arachnoid cyst (A) and thecal sac can be identified to allow dissection of the cyst (B).

Fig. 3.

Photomicrograph of cyst wall demonstrating layered collagenous fibers and epithelial tissue with flat lining cells. H & E, ×100, 200.

Fig. 4.

Sagittal T2-weighted (A) and Axial T2-weighted (B, C) MR images obtained 2 weeks postoperatively demonstrating expanded spinal cord, complete excision of multiple extradural arachnoid cysts.

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