Maxwell Anne K, Barham Henry P, Getz Anne E, Kingdom Todd T, Ramakrishnan Vijay R
Allergy Rhinol (Providence). 2017 Jun 1;8(2):63-66. doi: 10.2500/ar.2017.8.0196.
Transnasal endoscopic sphenopalatine artery ligation is becoming the procedure of choice for surgical management of intractable posterior epistaxis. Landmarks for localization of the sphenopalatine foramen can assist in rapid surgical exposure of the sphenopalatine artery.
This study examined distances from easily identified endoscopic surgical landmarks to the sphenopalatine foramen.
By using computed tomography of the sinus to study radiologic anatomy in 50 adults, distances were measured between five simple endoscopic landmarks and the sphenopalatine foramen. The two-tailed t-test was used for statistical analysis.
Right- and left-sided measurements were similar. The mean (standard deviation [SD]) anteroposterior distances to the sphenopalatine foramen were the following: from the maxillary line (36.7 ± 5.5 mm), anterior head of the middle turbinate (33.8 ± 6.7 mm), basal lamella (11.8 ± 1.9 mm), and choanal arch (-9.2 ± 1.4 mm). The mean (SD) distance in the vertical dimension from the nasal floor was 26.6 ± 2.6 mm. Female patients had statistically shorter distances to the sphenopalatine foramen from the maxillary line, anterior head of the middle turbinate, choanal arch, and nasal floor.
Reliable endoscopic landmarks exist in relation to consistent anatomic structures and can be used to help quickly estimate the location of the sphenopalatine foramen at the onset of the procedure.
经鼻内镜蝶腭动脉结扎术正成为难治性后鼻孔出血手术治疗的首选方法。蝶腭孔的定位标志有助于快速手术暴露蝶腭动脉。
本研究检测了从易于识别的内镜手术标志到蝶腭孔的距离。
通过使用鼻窦计算机断层扫描研究50名成年人的放射解剖结构，测量了五个简单内镜标志与蝶腭孔之间的距离。采用双侧t检验进行统计分析。
左右侧测量结果相似。到蝶腭孔的平均（标准差[SD]）前后距离如下：从上颌线（36.7±5.5mm）、中鼻甲前端（33.8±6.7mm）、基板（11.8±1.9mm）和鼻后孔弓（-9.2±1.4mm）。从鼻底起垂直方向的平均（SD）距离为26.6±2.6mm。女性患者从上颌线、中鼻甲前端、鼻后孔弓和鼻底到蝶腭孔的距离在统计学上较短。
与一致的解剖结构相关存在可靠的内镜标志，可用于在手术开始时帮助快速估计蝶腭孔的位置。
