Original Articles
Examining foramen ovale in dried human skulls using a morphometric approach and its clinical implications | |
Dr. Arifa Mehraj, Dr. Javed Ahmad Khan, Zeenat Kausar, Dr. Ghulam Mohammad Bhat, Dr. Sajad Hamid | |
Background: The foramen ovale is an oval shaped opening, placed obliquely in the base of the skull. It is situated in the greater wing of sphenoid bone, close to the upper end of posterior margin of lateral pterygoid plate, medial to foramen spinosum and lateral to the foramen lacerum. • It connects the middle cranial fossa to the infratemporal fossa and transmits the mandibular branch of trigeminal nerve, accessory meningeal artery, lesser petrosal nerve and emissary vein. • Foramen ovale assumes reasonable surgical and anatomical significance due to its location at the base of the skull. The knowledge of morphological and morphometric details and variations in foramen ovale is fundamentally essential for any surgical intervention. Aims and Objectives: 1. To assess the dimensions of foramen ovale in dried human skulls. • To look for any variations in location which have significance in surgeries pertaining to base of skull. 2. To assess the variations in foramen ovale in dried human skulls Methodology:-The study was done in the Department of Anatomy GMC Srinagar. A total of 100 FO (50 right& 50 left) of 50 adult dry human skull were evaluated. The dry human skulls of undetermined age and gender were subjected to the morphometric study. Results: In our study with regards to variation in the shape of the foramen, the oval shape was the commonest (66%), followed by round shape (17%).On the left side, the maximum value between the anterior point of FO and PPF was 2.6cm and the minimum value was 1.3cm with a mean of 1.69cm and SD0.141.The right side maximum value of FO and PPF was 2.0cm and the minimum was 1.1cm, with a mean of 1.44cm and SD of 0.21.The maximum value between the anterior point of FO and IOF was 3.6cm on the right side, the minimum value of FO and IOF was 3.8cm with mean of 2.8cm and SD 0.28.On the left side, and the minimum value was 2.6cm and maximum 3.8cm with a mean 3.0cm and standard deviation 00.56. Conclusion: The favourable outcome of any surgical intervention is mainly hinged on the practitioners’ and surgeons’ knowledge of the landmarks of the FO and gaining the right orientation in the skull base.We assessed the range and variation in different morphometric measurements of the FO. |
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