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. 2022 May 18;14:131–140. doi: 10.2147/CCIDE.S364332

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© 2022 Nguyen et al.

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This image illustrates the outcome measurement. A: the highest point on the nasal dome; A’: the midpoint of the base of the columella corresponds to the lower border of the nasal septum; B: the base of the nose on the non-cleft side; B’: the base of the nose on the cleft side; O: the intersection point between the columella and the horizontal line passing through the highest point of the 2 nostrils; OA’: columella height; AA’: nasal height; A’B: width of the alar base on the non-cleft side; A’B’: width of the alar base on the cleft side; AB: length of the alar on the non-cleft side; AB’: length of the alar on the cleft side.