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KMID : 1237720220550030294
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Anatomy & Cell Biology
2022 Volume.55 No. 3 p.294 ~ p.303
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Distribution of frontal sinus pattern amongst Malaysian population: a skull radiograph study
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Zulkiflee Nur Damia Iwani
Singh Mansharan Kaur Chainchel
Alias Aspalilah
Pritam Helmi Mohd Hadi
Chung Eric
Sakaran Rani
Zaidun Nurul Hannim
Woon Choy Ker
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Abstract
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Frontal sinus has unique anatomical features that are distinct to every population. However, the distribution of frontal sinus patterns has yet to be explored in the Malaysian population. This study aimed to describe the distribution of frontal sinus patterns among adult Malaysians. 409 adult Malaysian posteroanterior skull radiographs, consisting of 200 males and 209 females of Malay, Chinese, and Indian races aged between 20?69 years old, were included in the study. The frontal sinus patterns were classified according to total and percentage of presence or absence of frontal sinus, symmetry or asymmetrical (right or left dominant), unilateral absence (right or left), bilateral absence, and lobulation. The findings showed that bilateral presence of frontal sinus is common, in 95.4% of individuals and bilateral absence was noted in 2.7% individuals. Unilateral absence was found in 2.0% of individuals. Asymmetrical frontal sinus was observed in 54.5% of population meanwhile 40.8% showed symmetrical frontal sinus. The majority of individuals, regardless of sex, race, and age, possessed 1 to 3 lobes on both sides of the frontal sinus. The findings suggest that the frontal sinus is highly asymmetric, and the absence of the frontal sinus is rare. This morphological variation provides an insight into the landmarking placement for measurement during forensic application and assists neurosurgeons in surgical procedure to avoid breaching of the frontal sinus.
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KEYWORD
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Forensic anthropology, Frontal sinus, Malaysian, Radiograph
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