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Year :2018
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Month :
April
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Volume :
7
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Issue :
2
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Page :
AO20 - AO22
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An Anatomical Study of Parietal Emissary Foramina in Dry Adult Human Skulls
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Correspondence Address :
Manjunath Halagatti, Srinivasa Sagar
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Dr. Srinivasa Sagar,
Assistant Professor, Department of Anatomy KIMS,
Koppal-589231, Karnataka, India.
E-mail: drmanjunathhalagatti@gmail.com
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Introduction: Introduction: Emissary foramina are of considerable surgical significance in the region of scalp. These will transmit the veins of the same name. Such foramina on the parietal bone, are called as parietal emissary foramina, which are usually located on either side of the sagittal suture. The number and location of these foramina helps in knowing the communications between intracranial dural venous sinuses and the veins of the scalp. Their location is also important for analysing the avulsion injuries of scalp and neurological surgeries. Incidence of parietal emissary foramina ranges from 50-80% in various population groups.
Aim: This study is done to find out the incidence of parietal emissary foramina, their number, location and distance from the sagittal suture.
Materials and Methods: Total 215 dry cadaveric skulls were collected from Department of Anatomy and Forensic Medicine, KIMS Koppal, India. The skulls were observed for the emissary foramina on the parietal bones. Each foramen is checked for its patency. Distance of the foramen is measured from the sagittal suture.
Results: Out of the 430 parietal bones, 326 bones showed emissary foramen (75.6%). Among these, one foramen was found in 283 parietal bones, two foramina in 35 bones and three in 7 bones. The mean distance of parietal foramen from sagittal suture was 6.4±2.5 mm on right side and 6.6±2.6 on left side.
Conclusion: There are very few studies on parietal emissary foramina. This study provides an important data of morphometry of parietal emissary foramina, which is important for neurosurgeons and radiologists.
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