Careful pre-operative planning is required before the nasal dorsum is changed in profile or width. The highlights of assessment are discussed together with a description of how the surgery should be performed. The advantages of using the external approach to the nasal dorsum are stressed.
在改变鼻背的轮廓或宽度之前，需要进行仔细的术前规划。本文将讨论评估要点，并描述手术的具体操作方法。同时强调采用鼻背外部入路的优势。
