Tubercle of Zuckerkandl as a Landmark for Identification of Recurrent Laryngeal Nerve Enabling Safe Thyroid Surgery- A Prospective Comparitive Study
Journal Title: Journal of Medical Science And clinical Research - Year 2015, Vol 3, Issue 8
Abstract
Introduction: During thyroid surgery identification of Recurrent laryngeal nerve (RLN) is an essential step,as any injury to it will lead to hoarseness or loss of voice. Tubercle of zuckerkandl (TZ), a projection from the postero-lateral aspect of throid lobe, is a useful landmark in the identification of RLN which usually runs in its vicinity. Aim & Objective: The aim of this study is to demonstrate the effectiveness of RLN identification using the ZT as an anatomical landmark in comparison with the usual infer superior dissection of the tracheoesophageal groove. Study Design: A prospective comparitive study was carried on two groups of patients who underwent total thyroidectomy for multinodular goitre at general surgery department, narayana medical college, nellore.In one group RLN was identified by taking TZ as landmark and in other group RLN was identified with inferosuperior dissection of tracheooesophageal groove during thyroidectomy. Post operatively RLN integrity was recorded by vocal cord examination and both groups compared. Results: A total of 70 patients underwent total thyroidectomy, 21 females and 49 males. 38 underwent RLN identification using TZ as landmark (group A) and 32 underwent RLN identification by trcheooesophageal groove dissection (group B). The mean age of patients in both groups was equal. the incidence of RLN injury in group B was higher than in group A with statistically significant numbers. Conclusion: The findings of our study confirm that using TZ as landmark for identification of RLN is associated with low risk of injury to the latter thus enabling safe thyroid surgery.
Authors and Affiliations
Mahidhar Reddy Venkatapuram
Keywords
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