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The Mammary Glands01:12

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The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
Each breast features a pigmented projection known as the nipple, through which milk emerges via closely spaced openings of ducts, referred to as lactiferous ducts. Surrounding the nipple is a circular pigmented area of skin named the areola, which appears rough due to...
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一个位置稳定的解剖学上光滑的乳房植入物.

Hector F Salazar1, Tim Y Li1, Sophia Salingaros1

  • 1Laboratory of Bioregenerative Medicine & Surgery, Department of Surgery, Division of Plastic Surgery, Weill Cornell Medical College, New York, NY, United States of America.

Biomedical materials (Bristol, England)
|November 25, 2024
PubMed
概括

开发了一种新的位置稳定的光滑植入物 (PSSI),以保持乳房植入物的稳定性,没有纹理. 这种创新设计在组织内生长和稳定性方面显示出有希望的结果,提供了一个安全的替代方案.

关键词:
这就是BIA-ALCL.乳房植入物可以进行植入.动物植入物的动物植入物.可定制的植入物植入物植入物稳定性 植入物稳定性创新 创新 创新 创新 创新 创新有纹理的植入物.

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科学领域:

  • 生物材料科学 生物材料科学
  • 整形外科 整形外科 整形外科
  • 再生医学是一种再生医学.

背景情况:

  • 纹理乳房植入物,此前有利于位置稳定性,由于与乳房植入物相关的性大细胞淋巴瘤 (BIA-ALCL) 的联系,被召回.
  • 这次召回创造了对有质感表面替代品的需求,这些替代品可以提供稳定性,而不会影响患者的安全.

研究的目的:

  • 设计和评估一种具有增强位置稳定的新型光滑乳房植入物.
  • 通过组织整合和机械性能来评估位置稳定光滑植入物 (PSSI) 的生物相容性和稳定性.

主要方法:

  • 使用3D打印模具制造具有解剖形状的,光滑的制乳房植入体外,并集成圆柱形孔.
  • 在小鼠模型中进行皮下植入PSSI,控制光滑,控制纹理植入物12周.
  • 通过旋转测量评估植入物稳定性,以及植入物囊单元的组织学和微型计算机断层扫描 (MicroCT) 分析.

主要成果:

  • 在植入后的4周内,PSSI证明了其表面井的显著组织内生长.
  • 在12周后,纹理植入物和优化井尺寸的PSSI都显示出与标准光滑植入物相比,具有统计学意义的优越位置稳定性.
  • 两组之间没有观察到囊厚度或原蛋白含量的显著差异,这表明生物相容性良好.

结论:

  • 位置稳定的光滑植入物 (PSSI) 通过表面拓和组织集成有效地实现位置稳定,模仿纹理表面的好处.
  • PSSI为纹理乳房植入物提供了一个有希望的,安全的替代方案,解决了对稳定性的需求,而没有BIA-ALCL的相关风险.
  • 需要进一步的研究和临床评估来证实PSSI在修复性和美容性乳房手术中的长期安全性和有效性.