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Morphometric Analysis of Supraorbital Notch and Foramen with it’s Clinical Relevance

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Introduction: The supraorbital margin is interrupted at it’s lateral two third and medical third by the supraorbital notch/foramen. The supraorbital notch/ foramen transmits the supraorbital artery, vein and nerve. The surgeon should have knowledge of precise location and difference in prevalance of SON/SOF in order to reduce the risks while performing clinical procedures. Materials and Methods: In the present study 112 skulls were studied. Each skull was examined at it’s supraorbital margin on both sides for presence of SON/SOF. The prevalance of bilateral, unilateral SON/SOF was calculated, presence of accessory SOF and shape of SOF were also noted. The distance of SON/SOF from nasal midline, Frontozygomatic suture, Infraorbital foramen was calculated by using digital vernier calliper in millimeters. Results: The present study concluded that the frequency of occurrence of SON (66.07%) was more than that of SOF (33.92%). Bilateral SON we’re found in 51.78% and bilateral SOF were found in 17.85% of skulls. Unilateral presence of SON/SOF were noted in 34 skulls. 14.28% of cases showed presence of accessory SOF. The average distance between nasal midline, FZS, IOF and SON/SOF was 22.39–22.40 mm, 30.89–30.53 mm, 39.27-39.45 mm respectively on right and left side. Conclusion: The present study provides detail information regarding prevalance of SON/SOF and it’s exact position by calculating theaverage distance between SON/SOF from nasal midline, frontozygomatic suture, infraorbital foramen. This data is very essential during various diagnostic, therapeutic, anaesthetic and surgical procedures.

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Introduction: The supraorbital margin is interrupted at it’s lateral two third and medical third by the supraorbital notch/foramen. The supraorbital notch/ foramen transmits the supraorbital artery, vein and nerve. The surgeon should have knowledge of precise location and difference in prevalance of SON/SOF in order to reduce the risks while performing clinical procedures. Materials and Methods: In the present study 112 skulls were studied. Each skull was examined at it’s supraorbital margin on both sides for presence of SON/SOF. The prevalance of bilateral, unilateral SON/SOF was calculated, presence of accessory SOF and shape of SOF were also noted. The distance of SON/SOF from nasal midline, Frontozygomatic suture, Infraorbital foramen was calculated by using digital vernier calliper in millimeters. Results: The present study concluded that the frequency of occurrence of SON (66.07%) was more than that of SOF (33.92%). Bilateral SON we’re found in 51.78% and bilateral SOF were found in 17.85% of skulls. Unilateral presence of SON/SOF were noted in 34 skulls. 14.28% of cases showed presence of accessory SOF. The average distance between nasal midline, FZS, IOF and SON/SOF was 22.39–22.40 mm, 30.89–30.53 mm, 39.27-39.45 mm respectively on right and left side. Conclusion: The present study provides detail information regarding prevalance of SON/SOF and it’s exact position by calculating theaverage distance between SON/SOF from nasal midline, frontozygomatic suture, infraorbital foramen. This data is very essential during various diagnostic, therapeutic, anaesthetic and surgical procedures.

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This page is a summary of: Morphometric Analysis of Supraorbital Notch and Foramen with it’s Clinical Relevance, Indian Journal of Anatomy, June 2020, Red Flower Publication Private, Ltd.,
DOI: 10.21088/ija.2320.0022.9220.12.
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