학술논문
Use of the orbito-occipital line as an alternative to the Frankfort line
이용수 2
- 영문명
- 발행기관
- 대한해부학회
- 저자명
- Jung-Ah Park Tae-Jun Ha Je-Sung Lee Wu-Chul Song Ki-Seok Koh
- 간행물 정보
- 『Anatomy and Cell Biology』Vol.53(1), 21~26쪽, 전체 6쪽
- 주제분류
- 의약학 > 의학일반
- 파일형태
- 발행일자
- 2020.03.30
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국문 초록
영문 초록
Frankfort horizontal line, the line passing through the orbitale and porion, is one of the most widely used intracranial landmarks in cephalometric analysis. This study investigated the use of the orbito-occipital line extending from the orbitale to the external occipital protuberance as a novel horizontal line of the skull for substituting the Frankfort horizontal line. We evaluated the reproducibility of the new landmark and measured the angle between the orbito-occipital line and the Frankfort line. This study was conducted on 170 facial computed tomography (CT) scans of living adults from the Department of Plastic Surgery. After three-dimensionally reconstructed images were obtained from facial CT, the porion, orbitale, and external occipital protuberance were indicated by two observers twice. The angles between the orbito-meatal line (inferior orbital rim to porion; the Frankfort line) and the orbito-occipital line (inferior orbital rim to external occipital protuberance) were measured. There was no significant intraobserver or interobserver bias. The overall angle between the Frankfort line and orbito-occipital line was –0.5°±2.2° (mean±standard deviation). There was no statistically significant difference among side and sex. This study demonstrated good reproducibility of a new landmark—the external occipital protuberance—tested to replace the porion. The orbito-occipital line is a reliable, reproducible, and easily identifiable line, and has potential as a novel standard horizontal line to replace or at least supplement the Frankfort line in anthropological studies and certain clinical applications.
목차
Introduction
Materials and Methods
Results
Discussion
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