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Evaluation of morphometric features of fossa navicularis using cone-beam computed tomography in a Turkish subpopulation

Imaging Science in Dentistry 2019년 49권 3호 p.209 ~ 212
Magat Guldane,
소속 상세정보
 ( Magat Guldane ) - Necmettin Erbakan University Faculty of Dentistry Department of Oral and Maxillofacial Radiology

Abstract


Purpose: Fossa navicularis is a bone defect in the clivus. Familiarity with this anatomical variant is important because it is close to vital anatomical structures in the base of the skull. The aim of this study was to determine the prevalence and morphometric properties of fossa navicularis within the clivus in a Turkish subpopulation using cone-beam computed tomography (CBCT).

Materials and Methods: A total of 168 CBCT scans (female: 96, male: 71) were evaluated. High-quality CBCT images of patients without a syndromic condition or a history of neurological disease or surgery were included in the study. The prevalence, depth, length, and width of the fossa navicularis were performed.

Results: The prevalence of fossa navicularis was 27.5% (n=46 patients). Sex was not associated with the depth, length, or width of the fossa navicularis (P>0.05). A significant positive correlation was found between age and length of the fossa navicularis (P>0.05).

Conclusion: Fossa navicularis was found to be rare (27.5%). Anatomical variants of the skull base can also be clearly identified on CBCT images. The results of this study may be useful to radiologists, anatomists, and surgeons interested in the skull base.

키워드

Anatomy; Clivus; Cone-Beam Computed Tomography; Skull Base

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