한국인에서 접형구개공 위치에 대한 영상학적 연구
A Radiological Study on the Location of Sphenopalatine Foramen in Koreans
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초록
Background and Objectives Endoscopic ligation or cauterization of the sphenopalatine ar-tery (SPA) is used to treat intractable bleeding. Acquisition of intranasal anatomical land-marks can be helpful for locating the sphenopalatine foramen (SPF). The purpose of this studyis to evaluate the clinical usefulness of endoscopy by selecting the radioanatomical landmarksfor the location of the SPF. Subjects and Method Sinus CT was performed on a total of 271 people, and a study wasconducted on bilateral 542 sides. In this study, seven landmarks included third lamella, poste-rior choana, posterior fontanelle, maxillary line, anterior head of middle turbinate, nasal floor,and bony attached part of inferior turbinate. The distances from the seven landmarks to SPFwere measured, respectively. Additionally, the distance from the anterior nasal spine to SPFand the angle between the nasal floor and SPF were measured. Results The horizontal position of SPF was located at the middle point between the posteri-or choana and the third lamella, and the vertical position was around 13-14 mm upward fromthe bony attached part of the inferior turbinate. For the performed middle meatal antrostomy,the distance from the posterior fontanelle to SPF was around 12-13 mm behind. The averagedistance from the anterior nasal spine to SPF was 46.47 mm, and the angle between the nasalfloor and the SPF was 29.76°. Conclusion The four landmarks, namely the posterior choana, third lamella, bony attachedpart of the inferior turbinate, and posterior fontanelle can be useful for locating SPF.
Abstract
Background and Objectives Endoscopic ligation or cauterization of the sphenopalatine ar-tery (SPA) is used to treat intractable bleeding. Acquisition of intranasal anatomical land-marks can be helpful for locating the sphenopalatine foramen (SPF). The purpose of this studyis to evaluate the clinical usefulness of endoscopy by selecting the radioanatomical landmarksfor the location of the SPF. Subjects and Method Sinus CT was performed on a total of 271 people, and a study wasconducted on bilateral 542 sides. In this study, seven landmarks included third lamella, poste-rior choana, posterior fontanelle, maxillary line, anterior head of middle turbinate, nasal floor,and bony attached part of inferior turbinate. The distances from the seven landmarks to SPFwere measured, respectively. Additionally, the distance from the anterior nasal spine to SPFand the angle between the nasal floor and SPF were measured. Results The horizontal position of SPF was located at the middle point between the posteri-or choana and the third lamella, and the vertical position was around 13-14 mm upward fromthe bony attached part of the inferior turbinate. For the performed middle meatal antrostomy,the distance from the posterior fontanelle to SPF was around 12-13 mm behind. The averagedistance from the anterior nasal spine to SPF was 46.47 mm, and the angle between the nasalfloor and the SPF was 29.76°. Conclusion The four landmarks, namely the posterior choana, third lamella, bony attachedpart of the inferior turbinate, and posterior fontanelle can be useful for locating SPF.
참고문헌 (16)
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