Quantitative Analysis of Morphometric Changes in Feminization Rhinoplasty Utilizing a Standardized Forehead-Rhinoplasty Technique.

[BACKGROUND] Rhinoplasty is one of the most commonly performed facial gender-affirming surgeries (FGASs) for transgender females, but well-established morphometric parameters describing feminizing nasal changes do not exist.

[OBJECTIVES] Describe the author's technique for feminization rhinoplasty, analyze the changes in 3-dimensional nasal anthropomorphic parameters, and describe patient-reported outcomes.

[METHODS] Three-dimensional photogrammetric evaluation was performed both preoperatively and postoperatively in transgender female patients who underwent FGAS. Measurements assessed included the nasofrontal angle, nasolabial angle, dorsal height, mid-dorsal width, alar width, nasal tip width, and tip projection. Patients were surveyed preoperatively and postoperatively using the FACE-Q Nose module. Paired -tests were utilized to assess changes in postoperative measurements and FACE-Q Nose satisfaction scores.

[RESULTS] Twenty patients underwent FGAS during the study period. The average time between surgery and postoperative 3-dimensional images was 13.6 ± 6.8 months. The nasofrontal angle increased by 8.2° (148.0 ± 7.4° to 156.1 ± 6.7°, < .001) and tip projection increased by 0.017 (0.58 ± 0.03 to 0.60 ± 0.04, < .01). Dorsal height, mid-dorsal width, and tip width all decreased significantly ( < .05). There were significant improvements in patients' "Satisfaction with Nose," "Satisfaction with Facial Appearance Overall," "Psychological Function," and "Social Function" on FACE-Q. One revision rhinoplasty was performed, and no documented surgical complications were reported.

[CONCLUSIONS] There were statistically significant changes in the nasofrontal angle, tip projection, dorsal height, mid-dorsal width, and tip width in patients receiving feminization rhinoplasty. These data may help surgeons with preoperative planning and intraoperative decision making.