目的 通过改良Sihler's染色法揭示肉眼可见的大腿皮神经的整体分布模式，为皮瓣移植感觉重建术提供形态学依据。 方法 福尔马林固定的中国成年和儿童尸体各12具。紧贴肌表面取下含皮下脂肪的股部皮肤。改良Sihler’s染色法显示股部皮神经分布模式。 结果 改良Sihler's染色后的标本呈淡紫色，皮神经及分支呈黑色。肉眼可见股外侧皮神经、股神经前皮支、生殖股神经股支、股神经内侧皮支、闭孔神经皮支和股后皮神经的树枝样分支和分布模式；股外侧皮神经与股神经前皮支和股后皮神经间存在明显交通。股前内侧区的中部和股后区的中间带，各级神经支分布较密集，分支间存在交通。 结论 股前内侧区中部和股后区中间带应被推荐为皮瓣移植感觉重建的首选供区。
Objective To reveal the whole-mount distribution pattern of the cutaneous nerve of the thigh by the modified Sihler's staining method, so as to provide morphological basis for the sensory reconstruction of flap transplantation. Methods Twelve Chinese adult cadavers and 12 children cadavers were fixed with formalin. The skin of the thigh closed to the muscle surface with subcutaneous fat was removed. The modified Sihler's staining method was used to show the distribution pattern of cutaneous nerve in the thigh. Results The specimens were light purple after Sihler's staining, and the cutaneous nerves and their branches were black. We could see macroscopically the arborized branches and distribution patterns of the lateral femoral cutaneous nerve, the anterior cutaneous branch of the femoral nerve, the femoral branch of the genitofemoral nerve, the medial cutaneous branch of the femoral nerve, the cutaneous branch of the obturator nerve and the posterior femoral cutaneous nerve. There were obvious connection among the lateral femoral cutaneous nerve, the anterior cutaneous branch of the femoral nerve and the posterior femoral cutaneous nerve. The nerve branches at all levels were densely distributed in the middle part of anteromedial femoral region and the middle band of posterior femoral region, and there was connection between these branches. Conclusions The middle part of anteromedial femoral region and the middle band of posterior femoral region should be recommended as the preferred donor regions for sensory reconstruction in flat transplantation.
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