Abstract
Introduction: The sphenoid sinus is a central skull cavity situated inside the sphenoid bone as a twin structure, separated by a complete bony septum. The aim of the study to measure the length, width, and height of human sphenoid sinus through dissection compared to CT scan images in different age groups of both genders. Methods: A prospective study of 360 human bodies including 110 dissected cadavers and 250 individuals with CT scan images during a period from January 2019 to February 2020. Results: In male cadavers, the mean value of length was (24.8±4.2) and (23.6±3.8) mm for right and left sides, while for females was (24.5±3.7) and (25.3±4.1) mm. Whereas, for CT cases were (25.4±3.1), (27.2±4.1), (21.3±4.2), and (24.4±3.8) mm respectively. Otherwise, the width was (15.8±3.2) and (19.2±4.5) mm for right and left sides in male cadavers; but for females was (18.2±3.8) and (22.7±3.7). In comparison to CT cases, were (19.6±4.1), (20.4±4.7), (17.3±5.2), and (19.2±5.6) mm respectively. In male cadavers, the height was (21.4±3.1) and (26.8±2.8) mm for right and left sides, while for females was (13.8±3.3) and (19.6±3.1) mm. Whereas, for CT cases were (16.7±2.5), (18.2±2.7), (14.6±2.9), and (15.8±3.3) mm respectively. Conclusion: Findings of both methods yield accurate anatomic sinus views, which may determine the age, gender, and race of alive or dead individuals.
Highlights
The sphenoid sinus is a central skull cavity situated inside the sphenoid bone as a twin structure, separated by a complete bony septum
This study aims to determine the measurements of the anteroposterior length, width, and height of the human sphenoid paranasal sinus done by gross anatomical dissection and compare them to measurements done by axial, sagittal, and coronal Computed Tomography (CT) scan images in different age groups of both genders
Sphenoid sinus length measured in dissected human cadavers
Summary
The sphenoid sinus is a central skull cavity situated inside the sphenoid bone as a twin structure, separated by a complete bony septum. The aim of the study to measure the length, width, and height of human sphenoid sinus through dissection compared to CT scan images in different age groups of both genders. The width was (15.8±3.2) and (19.2±4.5) mm for right and left sides in male cadavers; but for females was (18.2±3.8) and (22.7±3.7). A complete septum lied in the mid-sagittal plane separated the paired cavity sinus 1. This usually causes asymmetrical shape and size of the sinus, but a recognizable septal deviation is relatively rare[2]. Spiral CT is regarded as a quick scanning procedure that permits improved contrast boosting and decreases motion artifacts; it enables the radiologists to visualize structures quickly and manipulates volumetric information in three-dimensional reconstructed images (3D-CT)[6,7]
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