Morphological Variations of the Foramen Magnum in Adult Human Dry Skull in Eastern UP (India) Population
Journal Title: International Journal of Medical Research Professionals - Year 2017, Vol 3, Issue 2
Abstract
Introduction: Foramen magnum is a important landmark present at the skull base, due to its close association with brain stem and spinal cord. It’s morphometric analysis is clinically important due to the vital structure passing through it. Methods: We conducted this study on 50 dry human skulls in the department of anatomy Heritage Institute of Medical sciences. The foramen magnum was analysed for its shape, anteroposterior and transverse diameter, area and foramen index. We also measured bicondylar breath, minimum and maximum distance between the occipital condyles at medial margins. All the measurements were done using Vernier Calliper. Results: The common shape observed was oval (34%). The anteroposterior and transverse diameter were respectively 33.76±2.18 mm and 28.09±1.92 mm while area and index of foramen were respectively 834.45±75.79 mm2 and 84.65±6.32. The bicondylar breadth was 45.83±2.15 mm and least distance between two occipital condyles was 14.97±2.03 mm while maximum distance was 25.19±3.12 mm. The external hypoglossal canals were 32.29±4.26 distance apart. Conclusion: Our data may serve as an aid to neurosurgeons in assessing the morphology of carnio-vertebral junction and in transcondylar resection which are important approaches in brain stem lesion.
Authors and Affiliations
K. C. Singh, Gunjan Rai, Rahul Rai
Keywords
Related Articles
- EP ID EP544081
- DOI 10.21276/ijmrp.2017.3.2.041
- Views 67
- Downloads 0
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