Many surgical procedures performed in the thoracic region can easily damage cutaneous nerves important for the sensory innervation of the female breast. A better understanding of the distribution of these cutaneous nerves will help prevent impaired sensation after breast surgery. Therefore an anatomical study was performed on the cutaneous innervation of 12 breasts of 7 female cadavers. Special emphasis was placed on the nipple-areola complex. The origin, course and final destination of each cutaneous nerve was established and the contribution of each branch was determined by the area it innervated. Differences were evaluated using analysis of variance. The cutaneous innervation of the female breast is derived medially from the anterior cutaneous branches of the Ist-VIth intercostal nerves and laterally from the lateral cutaneous branches of the IInd-VIIth intercostal nerves. The nipple-areola complex is consistently supplied by the anterior and lateral cutaneous branches of the IVth intercostal nerve, with additional innervation by cutaneous branches of the IIIrd and Vth intercostal nerves. This study shows an equal importance of both the anterior and the lateral cutaneous branches of the intercostal nerves. During surgical procedures one should try to avoid damage to the anterior and lateral cutaneous branches of the IIIrd, IVth and Vth intercostal nerves, with special attention to the IVth intercostal nerve which is the consistent nerve to the nipple-areola complex.

译文

在胸部区域进行的许多外科手术很容易损害对女性乳房的感觉神经很重要的皮肤神经。更好地了解这些皮肤神经的分布将有助于防止乳房手术后的感觉受损。因此,对7具女性尸体的12个乳房的皮肤神经支配进行了解剖学研究。特别强调乳头乳晕复合体。建立了每个皮肤神经的起源,过程和最终目的地,并根据其支配的区域确定了每个分支的贡献。使用方差分析评估差异。女性乳房的皮肤神经支配从肋间神经的前皮肤分支中获得,从肋间神经的外侧皮肤分支中获得,从肋间神经的外侧皮肤分支中获得。乳头-乳晕复合体始终由第iv肋间神经的前部和外侧皮肤分支提供,并由IIIrd和Vth肋间神经的皮肤分支提供额外的神经支配。这项研究表明,肋间神经的前皮肤分支和外侧皮肤分支同等重要。在手术过程中,应尽量避免对IIIrd,IVth和Vth肋间神经的前部和外侧皮肤分支造成损害,特别注意IVth肋间神经,这是与乳头乳晕复合体一致的神经。

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