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Open Access Research

Safe thyroidectomy with intraoperative methylene blue spraying

Serkan Sari2, Erhan Aysan1*, Mahmut Muslumanoglu1, Yeliz E Ersoy1, Huseyin Bektasoglu1 and Erkan Yardimci1

Author Affiliations

1 Deparment General Surgery, Bezmialem Vakif University, Faculty of Medicine, Vatan Caddesi, Fatih, Istanbul, Turkey

2 Department General Surgery, Istanbul Training and Research Hospital, Fatih, Istanbul, Turkey

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Thyroid Research 2012, 5:15  doi:10.1186/1756-6614-5-15

Published: 13 November 2012

Abstract

Background

We aimed to minimalize operative complications by spraying of methylene blue stain on thyroid glands and the perithyroidal area.

Material and methods

The intra-operative methylene blue spraying technique was used prospectively on a total of 56 patients who had undergone primary (not recurrent) thyroid surgery for a variety of thyroid diseases. Bilateral total thyroidectomy was performed in all cases. After superior but before inferior pole ligation, 0.5ml of methylene blue was sprayed over the thyroid lobe and perilober area. Tissues, especially parathyroides, the recurrent laryngeal nerve, and the inferior thyroid artery, were identified and evaluated.

Results

Recurrent laryngeal nerve and arteries were not stained and thus they remained white in all cases while all other tissues were stained blue. Within three minutes parathyroid glands washed out the blue stain and the original yellow color was regained. Thyroid tissue wash-out time was not less than 15 minutes; perithyroideal muscles, tendinous and lipoid structures took no less than 25 minutes.

Conclusion

The safety of intravascular methylene blue guidance on thyroid surgery is known. This research demonstrates the effectiveness of the spraying technique, a new technique which ensures not only identification of parathyroid glands within three minutes, but also identification of recurrent laryngeal nerves and inferior thyroid arteries.

Keywords:
Methylene blue; Thyroid; Safe; Intraoperative; Spraying