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. 2017 Dec 26;85(2):136–143. doi: 10.1016/j.bjorl.2017.11.008

Figure 3.

Figure 3

Morphometric measurements (A) Coronal CT sections showing the distance from the vidian canal to palatovaginal canal (black dotted line) and the foramen rotundum (white dotted line), the septum (thin arrow) between the vidian canal and vomerine crest (thick arrow), the pterygoid process pneumatization (star). (B) Axial CT section showing the angle between the posterior end of the middle turbinate and lateral margin of the anterior opening of the vidian canal, the anterior opening of the vidian canal (thick arrow) and the posterior opening of the vidian canal (thin arrow). (C) Coronal CT sections showing the angle between the posterior end of the middle turbinate and lateral margin of the anterior opening of the vidian canal.