Prevalence of anatomical variants in the clivus: fossa navicularis magna, canalis basilaris medianus, and craniopharyngeal canal
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Dosyalar
Tarih
2019
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer France
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
PurposeThis study determined the prevalence of fossa navicularis magna (FNM), canalis basilaris medianus (CBM), and craniopharyngeal canal (CPC), the size of FNMs, and types of CBM using 3D computed tomography (CT) images.MethodsA total of 1059 3D images [649 cone beam computed tomography (CBCT) and 410 CT] were evaluated in this study. The prevalence of FNM, CBM, and CPC, length, width, and depth of FNM, and type of CBM were assessed.ResultsOverall, FNM was identified in 7.6%, CPC in 0.3%, and CBM in 2.5% of the study group. Type 2 (0.1%) and Type 6 (0.1%) are the least common CBM types. There was no significant difference between genders for depth and width measurements (p>0.05), however, the length of FNM was significantly higher in males than females in CBCT images (p=0.02).ConclusionFNM, CBM, and CPC are rare anatomical variants of clivus. However, they can facilitate spread of infection to the skull base or vice-versa. These types of anatomical variations should be known by radiologists to avoid unnecessary diagnosis and treatment procedures and to distinguish anatomic variations from pathological conditions.
Açıklama
Anahtar Kelimeler
Canalis Basilaris Medianus, Clivus, Craniopharyngeal Canal, Fossa Navicularis Magna
Kaynak
Surgical And Radiologic Anatomy
WoS Q Değeri
Q4
Scopus Q Değeri
Q2
Cilt
41
Sayı
4
