Promising results have been obtained with SWE. This technique may be applied to multinodular goiters. Larger prospective studies are needed to confirm these results and to define the respective places of SWE, US, and FNA.

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Objective To determine the association between surgeons’ experience and postoperative complications in thyroid surgery.Design Prospective cross sectional multicentre study.Setting High volume referral centres in five academic hospitals in France.Participants All patients who underwent a thyroidectomy undertaken by every surgeon in these hospitals from 1 April 2008 to 31 December 2009.Main outcome measures Presence of two permanent major complications (recurrent laryngeal nerve palsy or hypoparathyroidism), six months after thyroid surgery. We used mixed effects logistic regression to determine the association between length of experience and postoperative complications. Results 28 surgeons completed 3574 thyroid procedures during a one year period. Overall rates of recurrent laryngeal nerve palsy and hypoparathyroidism were 2.08% (95% confidence interval 1.53% to 2.67%) and 2.69% (2.10% to 3.31%), respectively. In a multivariate analysis, 20 years or more of practice was associated with increased probability of both recurrent laryngeal nerve palsy (odds ratio 3.06 (1.07 to 8.80), P=0.04) and hypoparathyroidism (7.56 (1.79 to 31.99), P=0.01). Surgeons’ performance had a concave association with their length of experience (P=0.036) and age (P=0.035); surgeons aged 35 to 50 years had better outcomes than their younger and older colleagues.Conclusions Optimum individual performance in thyroid surgery cannot be passively achieved or maintained by accumulating experience. Factors contributing to poor performance in very experienced surgeons should be explored further.

Endoscopic adrenalectomy is the procedure of choice for patients with small functioning adrenal tumors. For most surgeons invasive adrenal carcinoma is an absolute contraindication for laparoscopic adrenalectomy (LA). Whether LA should be proposed for large (> 6 cm), potentially malignant tumors is questionable. The aim of this study was to evaluate the risks and outcome of LA performed in our department in patients with tumors > 6 cm and potentially malignant. We performed a retrospective study of 216 patients who underwent 233 LAs in our department from 1994 to 2000. We selected 19 patients with a tumor > 6 cm and potentially malignant: 8 nonfunctional tumors, 4 cortisol-secreting tumors, 1 virilizing tumor, and 6 pheochromocytomas. In none of these patients did preoperative investigations demonstrated invasive carcinoma. The median tumor size was 70 mm. LA was performed by a transperitoneal flank approach. Conversion to open adrenalectomy was performed in two patients owing to intraoperative evidence of invasive carcinoma. The median operating time was 150 minutes (range 95-240 minutes). Capsular disruption occurred during the dissection of two pheochromocytomas. There was no postoperative morbidity. Six patients had an adrenocortical carcinoma on pathologic diagnosis: three of the eight nonfunctional tumors, one of the four cortisol-secreting tumors, and one virilizing tumor. One patient presented with liver metastases 6 months after surgery and died. The five other patients are disease-free with a follow-up ranging from 8 to 83 months. The 13 patients with benign lesions (6 cortical adenomas, 1 ganglioneuroma, 6 pheochromocytomas) are disease-free with a median follow-up of 47 months (range 10-81 months). In experienced hands LA can be proposed for large, potentially malignant tumors. Conversion to open adrenalectomy should be performed if local invasion is observed during surgery. At present the risk of intraabdominal recurrence is unknown.

Postoperative haematoma may have a multifactorial aetiology. Numerous manoeuvres and surgical haemostatic agents may be employed to minimise the risk of haematoma formation but are no substitute for meticulous haemostasis. In the event of haematoma formation, early surgical re-intervention is strongly advocated with due care given to at risk structures.