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Year :2022
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Month :
July
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Volume :
11
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Issue :
3
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Page :
AO26 - AO28
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Morphometric Dimensions of Superior Orbital Fissure: A Cross-sectional Study
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Correspondence Address :
Amarbir Kaur, Poonam Delmotra, Kuldeep Singh, JS Kullar, Ravi Kant Sharma,
Poonam Delmotra,
Adesh Medical College and Hospital, Kurukshetra, Haryana, India.
E-mail: drpoonamdel@gmail.com
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Introduction: Introduction: Superior Orbital Fissure (SOF) is located between the roof and lateral wall of the orbit. SOF exhibits complex anatomy because of abundant neurovascular structures running through or near it and it connects the orbit with cranial cavity. Variant anatomy in terms of morphology of SOF is well documented in literature, but data regarding morphometrical study of SOF is limited.
Aim: To provide a baseline data on morphometry of SOF.
Materials and Methods: A cross-sectional study was conducted from April 2010 to September 2010, on 60 SOF in 30 adult human skulls of unknown age and sex collected from Government medical college, Amritsar, Punjab, India. A Vernier caliper with least count of 0.02 mm, a large scale with least count of 1 mm, a divider and probes were used to measure maximum anteroposterior and transverse diameters of parts of SOF, and distance from spina rectalis to anterior and posterior end of SOF. Data was collected on right and left-sides and mean with standard deviation and range of measurements and p-value were calculated.
Results: A total of 60 SOFs were analysed from 30 adult human skulls. Maximum anteroposterior diameter of infero-medial part was 6.335±1.56 mm on right-side and 5.81±1.34 mm on left-side. Maximum transverse diameter of infero-medial part was 5.82±1.69 mm on right-side and 5.19±2.04 mm on left-side. Maximum anteroposterior diameter of supero-lateral part was 10.59±2.48 mm and 11.32±2.09 mm on right and left-side, respectively. Maximum transverse diameter of supero-lateral part was 3.57±0.82 mm and 3.68±1.23 mm. Distance of spina rectalis from anterior end was 8.37±2.42 mm and 8.03±2.59 mm on right and left-sides. Distance of spina rectalis from posterior end was 9.39±2.59 mm and 10.62±3.41 mm.
Conclusion: Mean of different diameters on right and left-side were compared to each other and it was found that there was no statistically significant difference.
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