Robot-assisted laparoscopic adrenalectomy: Extended application in children.

Background: Minimally invasive surgery for paediatric adrenal tumours has evolved, but robot-assisted laparoscopic adrenalectomy (RALA) in children remains poorly studied. The current prospective study aims to demonstrate the safety and efficacy of RALA in treating children with adrenal tumours.
Methods: A prospective institutional analysis of children presenting with neuroblastic and endocrine tumours treated with RALA was undertaken over a six year-period. For each child, clinical parameters were collected relating to diagnosis, surgery and outcomes.
Results: A total 50 RALA were performed; 23 for unilateral neuroblastic tumours (87 % neuroblastomas) and 27 for endocrine tumours. Eight neuroblastic tumours (35 %) had image-defined risk factors (all due to tumour invading the renal pedicle). Median length of stay was two days. Resection margins were macroscopically clear in all cases. After median follow-up of 2.9 years (1.6-3.9), two children are under treatment for metastatic relapse (high-risk disease) and three died due to refractory disease. Sixteen children had endocrine tumours: pheochromocytoma (n = 13), or bilateral nodular adrenocortical hyperplasia with Cushing's syndrome (n = 14). One child required non-emergent conversion, and one complication occurred (grade IIIb) after median follow-up of 3.3 years (1.0-5.7).
Conclusions: The current study is the largest reported experience in the literature and confirms the safety and effectiveness of RALA in carefully selected children with adrenal tumours. Through an iterative process and in the setting of a dedicated paediatric robotic surgical team indications have been clarified and extended. The current study confirms RALA has particularly utility in patients with severe disease (IDRF + metastatic neuroblastomas) or genetic predisposition syndromes.
Competing Interests: Declaration of competing interest TB is an official proctor for Intuitive Surgical. None of the other authors have any disclosures.
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