[面神经下颌缘支走行的研究]
[Studies of the course of the marginal branch of the facial mandibular nerve].
作者信息
Rödel R, Lang J
机构信息
Klinik und Poliklinik für Hals-Nasen-Ohrenkrankheiten der Universität Göttingen.
出版信息
Laryngorhinootologie. 1996 Jun;75(6):368-71. doi: 10.1055/s-2007-997596.
BACKGROUND
In many operations involving the submandibular and lower cheek region, the mandibular branch of the facial nerve is in danger.
METHODS
On the basis of 55 facial dissections, we classified the course of the nerve into one of three types.
RESULTS
In about 66% of cases, the nerve runs below the angle and below the inferior border of the mandible. Typically, the mandibular branch consists of up to four major branches. The maximum distance between the lowest point of the mandibular branch and the inferior border of the mandible was 1.4 cm. We also studied the location of the nerve in relation to the facial vessels and the posterior facial vein.
CONCLUSIONS
Incisions in the submandibular region should be performed at least 2 cm below the inferior border of the mandible. The nerve can be spared by ligature and by retracting the anterior facial vein.
背景
在许多涉及下颌下和下颊区域的手术中，面神经下颌支处于危险之中。
方法
基于55例面部解剖，我们将神经的走行分为三种类型之一。
结果
在约66%的病例中，神经走行于下颌角下方和下颌骨下缘下方。通常，下颌支由多达四个主要分支组成。下颌支最低点与下颌骨下缘之间的最大距离为1.4厘米。我们还研究了神经相对于面部血管和面后静脉的位置。
结论
下颌下区域的切口应在下颌骨下缘下方至少2厘米处进行。通过结扎和面后静脉的牵拉可以避免损伤神经。
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