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  • Title: "Scarless" (in the neck) endoscopic thyroidectomy (SET) with ipsilateral levels II, III, and IV dissection via breast approach for papillary thyroid carcinoma: a preliminary report.
    Author: Yan H, Wang Y, Wang P, Xie Q, Zhao Q.
    Journal: Surg Endosc; 2015 Aug; 29(8):2158-63. PubMed ID: 25427410.
    Abstract:
    BACKGROUND: Endoscopic thyroidectomy with level II dissection has previously been reported to be performed endoscopically via various approaches. However, very few reports were available regarding level II dissection performed via the breast approach. In this article, we reported a series of 12 papillary thyroid carcinoma (PTC) patients with scarless (in the neck) endoscopic thyroidectomy (SET) via breast approach to level II dissection and evaluated its feasibility and safety. METHODS: Between January 2011 and March 2013, 12 PTC female patients with suspected lymph node metastasis at level II, III, or IV were selected for this procedure. After completing thyroidectomy and central compartment dissection, dissection of ipsilateral levels II, III, and IV was performed. The steps of endoscopic lateral neck dissection were similar to those of conventional surgery except that the lateral cervical compartment was exposed by splitting the sternocleidomastoid muscle (SCM) longitudinally and dividing between the strap muscles and the anterior margin of the SCM. RESULTS: This procedure was carried out in all of the 12 patients (Table 1). Mean operative time was 243 min (range 165-355 min). Nine patients (75 %) had lymph node metastasis in the lateral compartment confirmed on the final pathological report. Mean lymph node yield (LNY) in the lateral compartment (including ipsilateral level II, III, and IV dissection) was 21.8 (range 5-42). Five patients (41.6 %) had lymph node metastasis in the ipsilateral level II. The mean LNY in the ipsilateral level II was 6.7 (range 1-14). In 1 of the 12 patients, bleeding from injury to the internal jugular vein in level II was encountered intraoperatively, and a 4-cm upper neck transverse incision was made to stop the bleeding. Average postoperative hospital stay was 5.0 days (range 3-7 days). Table 1 Original article on endoscopic lateral neck dissection (including level II) by other authors Author (Ref.) Year Mean age (years) Tumor size (cm) No. of patients M:F Tech. Type of operation Mean LNY in lateral zone Mean operative time (min) Postoperative bleeding Chyle leakage Mean PHS (days) Wu et al. [13] 2013 43.2 1.88 26 6:20 VAT SLND 8.3 137.7 None None 3.6 Lee et al. [8] 2013 40.2 1.39 62 5:57 Robot MRND 32.8 271.8 None None 6.9 Kang et al. [5] 2012 35.8 1.14 56 10:46 Robot MRND 31.1 277.4 1 5 6 Kang et al. [6] 2011 NA NA 36 NA Robot MRND 27.7 280.91 1 3 NA Kang et al. [4] 2009 NA NA 13 NA AP MRND/SLND 18.8 286 NA NA 5.3 Current article 31.2 1.67 12 0:12 SET SLND 21.8 243 None None 5 Ref. references, No. number, M male, F female, Tech. technique, LNY lymph node yield, PHS postoperative hospital stay, VAT video-assisted thyroidectomy, SLND selective lateral neck dissection, MRND modified radical neck dissection, AP axillary approach, NA not available CONCLUSIONS: According to the present SET data, level II dissection by SET was a feasible and safe procedure. With reasonable costs and satisfactory cosmetic results, oncoplastic SET via breast approach might gain wider acceptance in the near future.
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