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Surgical anatomy of the sphenopalatine artery in lateral nasal wall

 Hye Yeon Lee  ;  Hyun Ung Kim  ;  Sung Shik Kim  ;  Eun Jin Son  ;  Ji Woo Kim  ;  Nam Hoon Cho  ;  Kyung Su Kim  ;  Jeung Gweon Lee  ;  In Hyuk Chung  ;  Joo Heon Yoon 
 LARYNGOSCOPE, Vol.112(10) : 1813-1818, 2002 
Journal Title
Issue Date
Arteries/anatomy & histology ; Arteries/injuries ; Humans ; Intraoperative Complications ; Nasal Cavity/blood supply ; Nasal Mucosa/blood supply ; Nose/blood supply* ; Nose/surgery ; Turbinates/blood supply
Sphenopalatine artery ; posterior lateral nasal artery ; fontanelle branch ; inferior turbinate branch
Objective: We investigated the surgical anatomy of the sphenopalatine artery. First, the location of the sphenopalatine foramen on the lateral nasal wall and the pattern of the main branches of the sphenopalatine artery from the sphenopalatine artery were studied. Second, the course of the posterior lateral nasal artery with respect to the posterior wall of the maxillary sinus, the perpendicular plate of the palatine bone, and the pattern of distribution of its branches on the fontanelle was determined. Third, the distribution pattern on the inferior turbinate was analyzed.

Study Design: Fifty midsagittal sections of randomly selected Korean adult cadaver heads with intact sphenoid sinus and surrounding structures were used in the study.

Methods: The mucosa on the sphenopalatine foramen and its surrounding mucosa were removed with a microscissors, a fine forceps, and a pick to expose the sphenopalatine artery under an operating microscope (original magnification ×6).

Results: The feeding vessels of the superior turbinate were from the septal artery in 36 cases (72%). The feeding vessels to the middle turbinate branch originated from the proximal portion of the posterior lateral nasal artery just after exiting the sphenopalatine foramen in 44 cases (88%). Some portion of the posterior lateral nasal artery ran anterior to the posterior wall of the maxillary sinus in 38%. The major feeding arteries to the fontanelle were from the inferior turbinate branch in 25 cases (50%). In most cases, the inferior turbinate branch was the end artery of the posterior lateral nasal artery (98%).

Conclusions: The study provides detailed information concerning the sphenopalatine artery, which we hope will help explain the arterial bleeding that may occur during ethmoidectomy, middle meatal antrostomy, conchotomy, and endoscopic ligation of the sphenopalatine artery.
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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
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Su(김경수) ORCID logo https://orcid.org/0000-0003-1460-0640
Yoon, Joo Heon(윤주헌)
Lee, Jeung Gweon(이정권)
Lee, Hye Yeon(이혜연) ORCID logo https://orcid.org/0000-0001-6945-1967
Chung, In Hyuk(정인혁)
Cho, Nam Hoon(조남훈) ORCID logo https://orcid.org/0000-0002-0045-6441
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