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The Radiological Evaluation of the Crista Galli and Its Clinical Implications for Anterior Skull Base Surgery.
Journal of Craniofacial Surgery 2021 January 30
INTRODUCTION: Crista galli is extremely important in the endoscopic transcribriform approaches and some extradural approaches. Because of its clinical significance, the morphometric properties of crista galli should be well known. In this study, it was aimed to examine the morphometry and the pneumatization incidence of the crista galli in cone beam computed tomography (CBCT) images.
MATERIAL AND METHODS: In this retrospective study, the length and width of the crista galli were measured in CBCT images of 300 healthy individuals. Besides, the presence of crista galli pneumatization was examined.
RESULTS: The length and width of the crista galli were determined to be as 14.03 ± 2.93 mm and 3.73 ± 1.48 mm, respectively. Pneumatized crista galli was detected in 53 out of 300 individuals (17.67%). There was no statistical difference between the presence of pneumatization and both length and width values of the crista galli (P = 0.876 and P = 0.478, respectively). In addition, no relationship was determined between age and the presence of pneumatization (P = 0.167).
CONCLUSION: In this study, it is seen that the length (range: 6.00-23.40 mm) and width (range: 1.40-8.00 mm) of crista galli are in a very wide range. Besides, it is seen in the literature that the incidence of crista galli pneumatization is in a very wide range (2.4% to 66.6%). Based on the available data, it will not be possible to determine a specific range of values for crista galli morphometry. Therefore, the authors think that CT imaging is extremely important in preoperative evaluation.
MATERIAL AND METHODS: In this retrospective study, the length and width of the crista galli were measured in CBCT images of 300 healthy individuals. Besides, the presence of crista galli pneumatization was examined.
RESULTS: The length and width of the crista galli were determined to be as 14.03 ± 2.93 mm and 3.73 ± 1.48 mm, respectively. Pneumatized crista galli was detected in 53 out of 300 individuals (17.67%). There was no statistical difference between the presence of pneumatization and both length and width values of the crista galli (P = 0.876 and P = 0.478, respectively). In addition, no relationship was determined between age and the presence of pneumatization (P = 0.167).
CONCLUSION: In this study, it is seen that the length (range: 6.00-23.40 mm) and width (range: 1.40-8.00 mm) of crista galli are in a very wide range. Besides, it is seen in the literature that the incidence of crista galli pneumatization is in a very wide range (2.4% to 66.6%). Based on the available data, it will not be possible to determine a specific range of values for crista galli morphometry. Therefore, the authors think that CT imaging is extremely important in preoperative evaluation.
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