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15岁男尸,右侧锁骨下动脉走行变异(见附图),并双侧高位胸膜顶。 右锁骨下动脉在右侧胸锁关节后上方1.5cm处由头臂动脉分出,与同名静脉贴近。横过前斜角肌前面跨第一肋进入腋窝。右锁骨下动脉外径0.5cm,长4.2cm,分支未见异常。伴行静脉外径1.0cm。 两侧胸膜顶在锁骨下动脉的后方,高出锁骨内侧端5 cm。 锁骨下动脉走行于前斜角肌之前较为少见,临床在作臂丛神经根麻醉时应注意有无这种变异。本例标本双侧胸膜顶均高出锁骨内侧
15-year-old male corpse, right subclavian artery walking variation (see photo), and bilateral high pleura. Right subclavian artery in the right side of the sternoclavicular joint 1.5cm above by the brachiocephalic artery separation, with the vein of the same name close. Across the anterior scalene muscle in front of the first rib into the armpit. Right subclavian artery diameter 0.5cm, length 4.2cm, no abnormal branch. Associated vein diameter 1.0cm. The pleura is flanked by the posterior subclavian artery, 5 cm above the medial end of the clavicle. Before the subclavian artery walking in the anterior scalene muscle is relatively rare, clinical brachial plexus nerve root anesthesia should pay attention to whether such variation. In this case, bilateral pleural top were higher than the medial clavicle