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Variation of brachial artery,median nerve and axillary nerve of unilateral upper limb:a case report
The anatomical variation of the blood vessels and brachial plexus of the upper limb is very complicated.In general population,the brachial artery divides into the radial artery and ulnar artery in cubital fossa.The median nerve consists of lateral and medial roots,and the axillary nerve divides into anterior and posterior branches after passing through the quadrangular space.Although variations in the vascular or neural pattern of the upper limb in humans are fairly common,it is very rare to see complex neurovascular variations in one limb.The present study reports complicated variation of unilateral upper limb,which aims at emphasizing the rare formation of brachial plexus and vessel.
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腋神经走行变异1例
在解剖一具成年(约30岁,身高约175 cm)男性尸体时,发现右侧腋神经部分穿行于肩胛下肌中,查阅文献,未见此类变异的描述,现报道如下:此例标本右侧腋神经从臂从后束发出1.28cm后,有一段长约2.13cm的腋神经穿行与肩胛下肌内,穿入段宽度为4.59mm,穿出段宽3.7mm,穿出肩胛下肌后走行约2.3cm后伴旋肱后血管穿过四边孔.