Li Y, Ma Q J, Li Y, Li L M
Department of OtolaryngologyHead and Neck Surgery, Shenzhen University General Hospital, Shenzhen, 518055, China.
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2019 Jul;33(7):625-627. doi: 10.13201/j.issn.1001-1781.2019.07.012.
To study coronal plane of dacryocystorhinostomy related structures for clinical practice. Extracted images concluding lacrimal sac and nasolacrimal canal information from head coronal sectional imaging data-set we created.Observed shape and location of the left lacrimal sac,nasolacrimal canal, and surrounding structures.Measured details of the important portion.Images of different layer show the shape and locative relationship of the lacrimal sac, nasolacrimal canal, and surrounding structures precisely.The thinnest thickness of medial wall and lateral wall of the lacrimal sac is 1.2mm and 0.6mm. There is a 2.3mm high longitudinal fold on the lateral wall.The thickness of medial wall and lateral wall of membranous nasolacrimal canal is(1.97±0.47)mm and(1.52±0.17)mm.Transverse diameter of membranous nasolacrimal canal is(1.78±0.12)mm. The thinnest thickness of medial wall and lateral wall of bony nasolacrimal canal is 0.30mm and 0.15mm.Transverse diameter of bony nasolacrimal canal is(5.50±0.12)mm.The proportion of cross-membranous nasolacrimal canal sectional area in bony nasolacrimal canal sectional area is(13.5±2.9)%. Head coronal sectional imaging data-set with high precision can be used for sectional anatomical study of the lacrimal sac, nasolacrimal canal and surrounding structures and measurement of details.
研究泪囊鼻腔造口术相关结构的冠状面以用于临床实践。从我们创建的头部冠状面成像数据集中提取包含泪囊和鼻泪管信息的图像。观察左侧泪囊、鼻泪管及周围结构的形态和位置。测量重要部位的细节。不同层面的图像精确显示了泪囊、鼻泪管及周围结构的形态和位置关系。泪囊内侧壁和外侧壁的最薄厚度分别为1.2mm和0.6mm。外侧壁有一条2.3mm高的纵向皱襞。膜性鼻泪管内侧壁和外侧壁的厚度分别为(1.97±0.47)mm和(1.52±0.17)mm。膜性鼻泪管的横径为(1.78±0.12)mm。骨性鼻泪管内侧壁和外侧壁的最薄厚度分别为0.30mm和0.15mm。骨性鼻泪管的横径为(5.50±0.12)mm。膜性鼻泪管横截面积在骨性鼻泪管横截面积中所占比例为(13.5±2.9)%。高精度的头部冠状面成像数据集可用于泪囊、鼻泪管及周围结构的断层解剖学研究和细节测量。
