J Korean Acad Rehabil Med Search

CLOSE


Journal of the Korean Academy of Rehabilitation Medicine 1999;23(4):805-808.
Variations of End Level of the Dural Sac.
Ko, Hyun Yoon , Park, Jae Heung , Kim, Hak Jin , Kim, Kirim
1Department of Rehabilitation Medicine, Pusan National University College of Medicine.
2Department of Radiology, Pusan National University College of Medicine.
3Department of Rehabilitation Medicine, Dongeui Medical Center.
경막낭 말단부 위치의 변이
고현윤1, 박재흥1, 김학진2, 김기림3
부산대학교 의과대학 1재활의학교실, 2방사선과학교실, 3동의의료원 재활의학과
Abstract

Objective
To determine the normal variations of end level of the dural sac in Korean subjects by magnetic resonance imaging (MRI).


Method
The corresponding vertebral level of termination of the dural sac was evaluated by MRIs in two hundred adult Koreans (118 males, 82 females). We excluded the subjects with spine fracture, significant spinal deformity or spinal stenosis. End level of the dural sac was described in terms of their corresponding vertebral level. The vertebral levels were further divided into upper, middle, lower level, and intervertebral disc levels from the L5 to S3 vertebra.


Results
The most frequent end level of the dural sac was at the S1-S2 intervertebral disc level (22.5%) which was followed by the upper portion of S2 (21.5%) and the middle portion of S2 (17.0%). There was no significant difference in end level of the dural sac between male and female subjects.


Conclusion
The dural sac most frequently ended at the S1-S2 intervertebral level and the end level of dural sac were located from the L5-S1 intervertebral level to the mid-point of S3. In a clinical setting, variable levels of the dural sac termination should be considered in an unexpected dural puncture during a caudal anesthesia or injection.

Key Words: End level, Dural sac, Magnetic resonance imaging


ABOUT
ARTICLE TYPES

Browse all articles >

BROWSE ARTICLES
AUTHOR INFORMATION
Terms of Use   |   Privacy Polity
Editorial Office
Department of Rehabilitation Medicine, Seoul National University Hospital
101 Daehak-ro, Jongno-gu, Seoul, Korea
Tel: +82-10-8678-2671    Fax: +82-2-6072-5244    E-mail: edit@e-arm.org; edit.karm@gmail.com
Business Registration: 110-82-07460                

Copyright © 2024 by Korean Academy of Rehabilitation Medicine.

Developed in M2PI

Close layer