Which structures should be avoided in needle biopsy of cervical lymph nodes

When taking cervical lymph node biopsy, care should be taken to protect its adjacent structures: for example, in the carotid triangle and muscle triangle, the carotid sheath (which runs through the common carotid artery, internal carotid artery, internal jugular vein, and vagus nerve, etc.) and its deep At the same time, avoid damage to adjacent organs such as trachea, esophagus, thyroid gland, parathyroid gland and sternocleidomastoid muscle, etc.; in the occipital triangle, avoid damage to the accessory nerve; at the root of the neck, protect the subclavian V and pleural top. And lung apex, thoracic duct, subclavian A and brachial plexus and phrenic nerve, etc.

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