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해부와 자기공명영상으로 분석한 한국 성인의 척수원뿔 말단부 위치The Tip Level of the Conus Medullaris by Magnetic Resonance Imaging and Cadaver Studies in Korean Adults

Other Titles
The Tip Level of the Conus Medullaris by Magnetic Resonance Imaging and Cadaver Studies in Korean Adults
Authors
권순욱김태식김형수유임주
Issue Date
2016
Publisher
대한체질인류학회
Keywords
Spinal cord; Vertebra; MRI; Korean; 척수; 척추; 자기공명영상; 한국인
Citation
해부·생물인류학, v.29, no.2, pp.47 - 51
Indexed
KCI
Journal Title
해부·생물인류학
Volume
29
Number
2
Start Page
47
End Page
51
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/90490
ISSN
2671-5651
Abstract
The spinal cord is part of the central nervous system, and its caudal end is named as the conus medullaris. Many researchers have reported the tip level of the conus medullaris by magnetic resonance imaging studies; others by cadaver dissection. The tip level of magnetic resonance imaging studies seemed to be higher than that of cadaver studies. We evaluated the tip level the conus medullaris with magnetic resonance imaging and cadaver dissection in Korean adult population. MR data were scanned with T1-weighted, mid-sagittal magnetic resonance imaging of 248 living persons (mean age, 42.3±16.0 years; range, 12-85 years) and cadaver data were collected by dissections of 118 cadavers (mean age, 56.0±14.9 years; range, 16-94 years). The mean level of conus tip was found to be at the middle third of 1st lumbar vertebra (range, lower third T12 - lower third L2) from magnetic resonance imaging study and the upper third of 2nd lumbar vertebra (range, lower third T12 - lower third L3) from cadaver dissection study. The tip level of conus medullaris from magnetic resonance imaging study was higher than that from cadaver dissection study (p<0.05).
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