학술논문
A constellation of anatomical variation: middle scalene, wrist extensor, and aortic arch variants share embryological origins in cervical somites
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- 영문명
- 발행기관
- 대한해부학회
- 저자명
- David V. Rasicci William C. Weirich Natalie K. Yoshioka Obadah Tolaymat Najam Siddiqi
- 간행물 정보
- 『Anatomy and Cell Biology』Vol.58(2), 306~310쪽, 전체 5쪽
- 주제분류
- 의약학 > 의학일반
- 파일형태
- 발행일자
- 2025.06.30
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국문 초록
During dissection of a 70-year-old male donor, several anatomical variations were observed, highlighted by abilateral variant middle scalene muscle in the superolateral thoracic wall. The variant scalene muscle was traced from thetransverse processes of cervical vertebrae to the fourth rib with a pronounced fascial slip. The elongated middle scalenemuscle was thick in girth and abnormally wide at its insertion (56.0 mm), which is hypothesized to reflect compensatoryhypertrophy secondary to lung carcinoma. A bilateral wrist extensor variant also was observed as well as an anomalous leftvertebral artery from the aortic arch with an abnormal entrance into the vertebral canal. Collectively, these findings representa constellation of anatomical variations that may be interrelated through altered cervical somite development, providinga fascinating example of how anatomical variations may cluster based on common embryological origin. Clinically, theseobservations have implications in thoracic outlet syndrome, tendon transfer, and vascular surgery.
영문 초록
목차
Introduction
Case Report
Discussion
ORCID
Author Contributions
Conflicts of Interest
Funding
Acknowledgements
References
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