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Wideochir Inne Tech Malo Inwazyjne. 2012 Aug;7(3):175-80. doi: 10.5114/wiitm.2011.28871. Epub 2012 Jun 25.

Minimally invasive video-assisted thyroidectomy: seven-year experience with 240 cases.

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  • 1Third Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland.



Minimally invasive video-assisted thyroidectomy (MIVAT) has gained acceptance in recent years as an alternative to conventional thyroid surgery.


Assessment of our 7-year experience with MIVAT.


A retrospective study of 240 consecutive patients who underwent MIVAT at our institution between 01/2004 and 05/2011 was conducted. The inclusion criterion was a single thyroid nodule below 30 mm in diameter within the thyroid of 25 ml or less in volume. The exclusion criteria were previous thyroid or parathyroid surgery, T2 or higher thyroid cancer, N1 stage, and thyroiditis. The Miccoli technique was used. The analysis included indications, eligibility rate, operative time, morbidity and cosmetic effects.


Of 6,574 patients referred for thyroid surgery, 240 (3.6%) were eligible for MIVAT. In the final pathology report, there were 206 follicular adenomas, 21 papillary thyroid cancers, 9 cases of Graves' disease and 4 follicular cancers. Reasons for exclusion were as follows: thyroid volume above 25 ml in 5401 (85.3%), thyroid cancer larger than stage T1 in 392 (6.2%), thyroiditis in 358 (5.6%), and previous neck surgery in 183 patients (2.9%). Minimally invasive video-assisted thyroidectomy operations consisted of 210 lobectomies and 30 total thyroidectomies, including 15 one-stage parathyroidectomies. Mean operative time was 38.6 ±15.1 min. Transient versus permanent recurrent laryngeal nerve injury was found in 8 (3.0%) vs. 2 (0.7%) nerves at risk, respectively. Cosmetic effects were assessed after 1 and 6 months of follow-up as very good or excellent by 89.6% and 95.8% of patients, respectively.


Minimally invasive video-assisted thyroidectomy is suitable for surgeons experienced in thyroid and video-assisted surgery. It is feasible for well-selected patients including cases of T1 thyroid cancer, Graves' disease and concomitant parathyroid adenoma.


benign thyroid disease; minimally invasive surgery; thyroid cancer; video-assisted thyroidectomy

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