Abstract
The skull's main function is to protect the brain. Total skull bone thickness is the total thickness of diploe and the external and internal tables. The measurement of the human skull based on CT images results are of great practical value in the fields of anatomy, clinical medicine, biomechanics study and head injury analysis. There are few literatures about imaging assisted measurement of the cranial vault thickness while sparse literature among Nepalese population. In this study, we aim to measure the thickness of calvarian bones of and find the difference between gender and ethnic groups. This was a descriptive cross-sectional study conducted in our center during a period of 6 months. Patient of age 15 to 50 years with normal CT finding were included in the study. Using the axial view of brain CT, the thickness of cranial vault was measured and recorded in millimeter. Among 100 patients, 51 were male and 49 were female. Mean thickness of frontal bone, parietal, temporal and occipital bone were 8.02±1.97 mm, 7.04±1.43 mm, 4.71±1.34 mm and 7.98±2.47 mm respectively. There was no significant difference in cranial vault thickness among sex or ethnical groups in patients of a hospital.
Highlights
The skull’s main function is to protect the brain
There was no significant difference in cranial vault thickness among sex or ethnical groups in patients of a hospital
Using the axial view of brain CT, the thickness of frontal bone was measured in midpoint of coronal suture and nasion, the thickness of the temporal bone is measured in its anterior part and the occipital bone midway between right mastoid bone and internal occipital protuberance while parietal bone was measured in parietal eminence and recorded in millimeter
Summary
The skull’s main function is to protect the brain. Total skull bone thickness is the total thickness of diploe and the external and internal tables. There are few literatures about imaging assisted measurement of the cranial vault thickness while sparse literature among Nepalese population. The skull’s main function is to protect the brain It is comprised of 22 bones, eight of which form the neurocranium and are connected by synarthrodial joints called sutures. Most of these cranial bones are categorized as flat bones and can be identified by their layered bone structure where a cancellous bone layer, called diploe, is sandwiched between two layers of dense cortical bone (cortex).[1]. Most studies measuring skull thickness were done in autopsy.[2,3,4] There are few literatures about imaging assisted measurement of the cranial vault thickness while sparse literature among Nepalese population.[5].
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