Department of Radiology, University of Colorado, Anschutz Medical Campus, 12401 E 17th Ave, Mail Stop L954, Aurora, CO 80045.
Department of Surgery, Division of Plastic and Reconstructive Surgery, University of California, San Francisco, San Francisco, CA.
AJR Am J Roentgenol. 2021 Sep;217(3):709-717. doi: 10.2214/AJR.20.25228. Epub 2020 Dec 30.
Facial feminization surgery is an increasingly performed component of gender affirmation surgery for transgender women. Preoperative facial CT is performed to plan the adjustment of the patient's masculine characteristics to feminine and to plan operative navigation around specific readily identifiable anatomic structures. In the upper face, surgery is performed to reduce the prominence of the brow and increase the nasofrontal angle; the radiology report should indicate the frontal sinus and supraorbital foramen anatomy. In the midface, rhinoplasty is performed to increase the nasofrontal and nasolabial angles; the radiology report should indicate the presence of a dorsal hump and septal deviation or spurring. In the lower face, the prominence of the chin and squareness of the jaw are adjusted via genioplasty and mandible contouring, respectively; the radiology report should describe the location and potential anatomic variations of the inferior alveolar nerve and mental foramina as well as the presence of dental abnormalities that directly inform the surgical approach. CT may also be performed if there is clinical suspicion for postoperative complications such as hardware fracture or osteotomy through the supraorbital or mental foramen. Familiarity with these findings will facilitate improved communication between radiologists and surgeons, thereby contributing to the care of transgender women.
面部女性化手术是跨性别女性性别肯定手术中越来越常见的组成部分。术前面部 CT 用于规划患者男性特征向女性化的调整,并规划围绕特定易于识别的解剖结构的手术导航。在上部面部,手术用于减少眉弓的突出度并增加鼻额角;放射学报告应指出额窦和眶上孔的解剖结构。在中面部,进行隆鼻术以增加鼻额角和鼻唇沟角;放射学报告应指出是否存在驼峰和鼻中隔偏曲或骨刺。在下面部,通过颏成形术和下颌骨轮廓整形术分别调整下巴的突出度和下颌的方形度;放射学报告应描述下牙槽神经和颏孔的位置和潜在解剖变异,以及直接影响手术入路的牙齿异常。如果临床怀疑存在术后并发症,如眶上或颏孔处的硬件骨折或截骨术,也可能进行 CT 检查。熟悉这些发现将有助于放射科医生和外科医生之间更好地沟通,从而有助于跨性别女性的护理。