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Background: The present study was conducted to evaluate the technical feasibility, safety and adequacy of surgical margins with salvage transoral robotic surgery (TORS) for recurrent or residual head and neck squamous cell carcinoma patients. Materials and Methods: Thirty patients who underwent salvage TORS using the 'DaVinci' robot were enrolled in the study and data related to their surgical time, complications and functional outcome were recorded. Results: The feasibility of salvage TORS in our study was observed to be 100%. Positive margins were encountered in only 6.7% of patients. Mean blood loss was 23.3 ml with no patient requiring blood transfusion. Postoperative complications in the form of primary haemorrhage requiring active surgical intervention occurred in 13.3%. Oral feeding could be started as early as the 3rd postoperative day in a few patients, with nasogastric tubes being removed on the 12th postoperative day. Long term gastrostomy tube dependency was seen in 10% cases. Median survival of patients was 19 months. Conclusions: Salvage TORS is a safe, effective and feasible option in the management of treatment failure cases. It offers an alternative surgical approach with unexpected benefits in terms of tracheostomy tube use, Ryle's tube and gastrostomy dependence.

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The aim of this observational prospective study was to determine the technical feasibility, safety, and adequacy of robotic hemithyroidectomy. From April 2015 to May 2016, 16 patients with solitary thyroid lesion underwent robotic hemithyroidectomy using the Da Vinci® Si Surgical system. Patients were observed and data were recorded on surgical time, blood loss, complications, and functional outcome of the patients. A total of 16 patients (3 males and 13 females; mean age 39.9 years) underwent robotic hemithyroidectomy after evaluation for solitary thyroid nodule with a mean nodule size of 2.2 ± 0.3 cm. Fiber-optic laryngoscopy (FOL) was normal in all cases pre-operatively. Five patients were operated by transaxillary approach, the rest by retroauricular (facelift) approach. Mean pocket dissection time was 42 min for transaxillary and 40 min for retroauricular approach. Mean operative console time was 59.4 min for transaxillary and 52.6 min for retroauricular approach. Average blood loss was 45 ml. Mean hospital stay was 1.5 days. None of the patients had any post-operative complication on follow-up. One patient had restricted left vocal cord mobility which improved in 3 months. Mean pain score was 0.25 ± 0.4 and average speech score was 0.5 ± 0.2 at 3 months. Post-operatively, all patients had adequate swallowing with no episode of aspiration. Robotic hemithyroidectomy is a safe, feasible, and oncologically safe procedure. It has benefits in terms of better scar cosmesis than open surgery.

TORS is a safe, feasible, minimally invasive procedure in patients with oropharyngeal cancers. It has the least morbidity and offers benefits in terms of avoidance of tracheostomy tube, prolonged Ryle's tube and gastrostomy dependency.