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Fig. 3 | BMC Surgery

Fig. 3

From: Is identification and dissection of the external laryngeal nerve necessary during thyroidectomy? A prospective study

Fig. 3

Classification of the EBSLN pathway according to Kierner. Type I: The artery-nerve crossing is more than 1 cm from the upper pole of the thyroid gland. Type II: The artery-nerve crossing is less than 1 cm above the upper pole of the thyroid gland. Type III: The artery-nerve crossing is above the upper pole of the thyroid gland. Type IV: The EBSLN descends dorsally and crosses the branches of the STA immediately above the upper pole of the thyroid gland

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BMC Surgery

ISSN: 1471-2482

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