Three sublayers in the <scp>SMAS</scp> : Observations of facial soft tissue using the stretched tissue dissection method focusing on the <scp>SMAS</scp>
Three sublayers in the <scp>SMAS</scp> : Observations of facial soft tissue using the stretched tissue dissection method focusing on the <scp>SMAS</scp>
复制标题
<scp>SMAS</scp> 中的三个子层：使用聚焦于 <scp>SMAS</scp> 的拉伸组织解剖方法观察面部软组织
DOI：
10.1002/ca.23954
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发表时间：
2022
期刊：
影响因子：
2.4
通讯作者：
Saga Tsuyoshi
中科院分区：
文献类型：
--
作者：
Watanabe Koichi;Han Aya;Inoue Eiko;Iwanaga Joe;Kikuchi Keijiro;Haikata Yuto;Nooma Kunimitsu;Harano Tatsuya;Tabira Yoko;Saga Tsuyoshi
浅表肌肉腱膜系统（SMAS）的特点，包括各部分的形态和组织之间的联系，仍然存在争议。本研究的目的是阐明SMAS的解剖使用我们的新的解剖方法。在本研究中，使用了福尔马林保存尸体的6个半侧股骨头。三个用于创建水平截面，三个用于创建沿沿着垂直于皮肤表面的轴线的截面，导致从侧面的冠状截面到正中的矢状截面的逐渐变化。将切除的头部切成宽度为7 mm的切片。通过将组织切片固定到板上并向外拉动皮肤以拉伸软组织来执行拉伸组织解剖方法。然后在显微镜下进行钝性解剖。SMAS包括三层：表层、中层和深层。表层是一层与皮下脂肪隔直接相连的薄膜。深层是与SMAS下结构接触的结缔组织。由SMAS的表层和深层包围的层是中间层，包含结缔组织、脂肪组织和面部肌肉。使用这种方法获得的SMAS的详细结果解决了理论上的分歧，并为面部手术领域提供了重要的见解。
The characteristics of the superficial musculoaponeurotic system (SMAS), including the morphology of each part and the connection between tissues, remain controversial. The purpose of this study is to clarify the anatomy of the SMAS using our new dissection method. In this study, six hemi‐sides of heads from formalin‐preserved cadavers were used. Three were used for creating a horizontal section and three were used for creating the section along the axial line perpendicular to the surface of the skin, resulting in a gradual change from the coronal section at the lateral to the sagittal section at the median. The resected head was cut into slices with widths of 7 mm. The stretched tissue dissection method was performed by fixing a tissue slice to a board and pulling the skin outward to stretch the soft tissue. Blunt dissection was then performed under a microscope. The SMAS comprises three layers: superficial, intermediate, and deep. The superficial layer is a thin membrane directly connecting to the septa in the subcutaneous fat. The deep layer is the connective tissue in contact with the sub‐SMAS structure. The layer surrounded by the superficial and deep layer of the SMAS is the intermediate layer, containing connective tissue, adipose tissue, and facial muscles. The detailed findings of the SMAS obtained using this method resolve theoretical discrepancies and provide important insight for the field of facial surgery.