Kumar Raj, Harode Hemant Ashish, Vora Rakesh, Javia Mayankkumar
Department of Anatomy, Shantabaa Medical College & General Hospital, Amreli, Gujarat 365601 India.
Department of Anatomy, Zydus Medical College & Hospital, Dahod, Gujarat 389151 India.
Bioinformation. 2022 May 31;18(5):488-491. doi: 10.6026/97320630018488. eCollection 2022.
Variations in the shape of foramen magnum can affect the normal anatomy of vital structures passing through it. Therefore, it is of interest to evaluate the various shapes of foramen magnum by using CT scans performed in patients of Indian population to establish clinical correlation. A total of 314 CT images of human skull base obtained from the Department of Radio-diagnosis, Geetanjali Medical College and Hospital, Udaipur, Rajasthan were used in the present study. All the patients' CT scans were observed to determine the shape of foramen magnum. They were classified into one of the following shapes: Oval, round, tetragonal, egg shaped, hexagonal, pentagonal and irregular. The shapes of the foramen magnum in CT scans were oval in 39.09%, round in 22.61%, tetragonal in 12.10%, hexagonal in 10.51%, irregular in 7.96%, pentagonal in 5.41% and egg shaped in 1.59% CT images. Data shows that it is easy to operate at the base of skull in case of round, oval and hexagonal shape foramen magnum, as the working space is more in these shapes.
枕骨大孔形状的变异会影响通过它的重要结构的正常解剖结构。因此，利用对印度人群患者进行的CT扫描来评估枕骨大孔的各种形状以建立临床关联是很有意义的。本研究使用了从拉贾斯坦邦乌代布尔市吉檀迦利医学院和医院放射诊断科获得的314张人类颅底CT图像。观察所有患者的CT扫描以确定枕骨大孔的形状。它们被分类为以下形状之一：椭圆形、圆形、四边形、卵形、六边形、五边形和不规则形。CT扫描中枕骨大孔的形状在39.09%的图像中为椭圆形，22.61%为圆形，12.10%为四边形，10.51%为六边形，7.96%为不规则形，5.41%为五边形，1.59%为卵形。数据表明，对于圆形、椭圆形和六边形的枕骨大孔，在颅底进行手术比较容易，因为这些形状的工作空间更大。
