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Surgical anatomy of human soft palate

Authors
 Jae Hoon Cho  ;  Jin Kook Kim  ;  Hye-Yeon Lee  ;  Joo-Heon Yoon 
Citation
 LARYNGOSCOPE, Vol.123(11) : 2900-2904, 2013 
Journal Title
LARYNGOSCOPE
ISSN
 0023-852X 
Issue Date
2013
MeSH
Aged ; Aged, 80 and over ; Cadaver ; Female ; Humans ; Male ; Middle Aged ; Palatal Muscles/anatomy & histology ; Palate, Soft/anatomy & histology*
Keywords
Soft palate ; levator veli palatini ; tensor veli palatini ; palatopharyngeus ; palatoglossus ; Passavant’s ridge
Abstract
OBJECTIVES/HYPOTHESIS:
The soft palate is composed of several muscles. So far, these muscles have been analyzed separately and the whole structure of the soft palate has been described very vaguely. The purpose of this study was to describe the structure of soft palate collectively.
STUDY DESIGN:
Human cadaver dissection.
METHODS:
Anatomical dissection was performed on 20 Korean, formalin-fixed cadavers (13 men and 7 women). The heads were randomly assigned to either dissection groups, medial-to-lateral (10 heads) or posterior-to-anterior (10 heads).
RESULTS:
Fibro-fatty layer was located in the oral side of the soft palate and became thick and dense along the midline. The levator veli palatini was distributed on the nasal side of the soft palate. The average vertical distance from the top of palatopharyngeal arch to the levator veli palatini was 12.3 ± 5.2 mm. The palatopharyngeus was also spread out widely and filled the palatopharyngeal arch. The periosteum of the hard palate became the fascia of the soft palate, which was merged with the aponeurosis of the tensor veli palatini in the midline. The Passavant's ridge was located between the levator veli palatini and palatopharyngeus, inserting onto the aponeurosis. The palatoglossus was very thin and embedded in the palatoglossal arch.
CONCLUSION:
The muscles of the soft palate are intermingled with each other in the fibro-fatty layer. Comprehensive anatomical knowledge is needed to reduce unnecessary damage and obtain good surgical results for obstructive sleep apnea.
Full Text
http://onlinelibrary.wiley.com/doi/10.1002/lary.24067/abstract
DOI
10.1002/lary.24067
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Yoon, Joo Heon(윤주헌)
Lee, Hye Yeon(이혜연) ORCID logo https://orcid.org/0000-0001-6945-1967
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88329
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