The nose has a robust blood supply derived from both internal and external carotid arteries. The main blood supply of the nasal tip and skin is derived primarily from the lateral nasal arteries, with a variable contribution from the columellar arteries. We present a patient with cut nose resulting from a homicidal attack in which the lower two-thirds of the nose was severed starting at the bony-cartilaginous junction of the dorsum of the nose down to the tip of the nose. The skin-cartilage flap was attached only to the columella and to the caudalmost 3 mm of the left ala nasi. The detached skin-cartilage flap was replaced and sutured anatomically, and the flap completely survived in spite of cutting of both lateral and dorsal nasal arteries.

译文

鼻子具有来自颈内动脉和颈外动脉的强大血液供应。鼻尖和皮肤的主要血液供应主要来自鼻外侧动脉,而小柱动脉的贡献各不相同。我们介绍了一名因杀人袭击而导致鼻子割伤的患者,其中鼻子的下3分之2从鼻背的骨-软骨交界处开始一直切断到鼻尖。皮肤软骨瓣仅附着在小柱和左鼻腔3mm mm的尾骨上。分离的皮肤软骨皮瓣被替换并在解剖学上缝合,尽管切断了鼻侧和鼻背动脉,该皮瓣仍完全存活。

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