Abstract
Introduction
Duodenal neuroendocrine tumours (dNETs) comprise about 2% of all the NETs. Treatment of dNETs involves resection of the tumour either by endoscopic or surgical resection. Surgical or endoscopic local resection of the lesion is usually a more conservative and less morbid option compared with a more radical pancreaticoduodenectomy. However, inadequate clearance by local resection might result in recurrent disease with reduced overall survival.
Methods
The current systematic review compared the differences in outcomes of endoscopic resection (ER), local resection (LR) and pancreaticoduodenectomy (PD) in the management of dNETs. Searches were performed on MEDLINE, PubMed, Embase and Cochrane databases using MeSH keyword combinations: ‘duodenal’, AND, ‘neuroendocrine tumours’. All relevant articles published up to 2016 were included. Post-operative morbidity, R0 resection status and recurrence rates were the outcomes assessed.
Results
Eight non-randomised retrospective studies with 335 participants were included (LR = 122; PD = 118; ER = 64). While PD was associated with higher morbidity compared with LR (27/64 vs. 10/74; P = 0.002), PD was associated with a higher incidence of an R0 resection (3/97 vs. 15/97; P = 0.007) as well as lower recurrence rates (3/51 vs. 6/46; P = 0.21). ER was associated with a higher positive resection margin status versus LR (22/51 vs. 14/91; P = 0.0002). Recurrence at follow-up was not different among patients with dNETs who underwent PD versus LR.
Conclusions
Radical surgical resection in the form of PD was associated with higher post-operative morbidity among patients with dNETs yet provided better margin clearance. Patients with dNETs need systematic evaluation with a view to obtain most of the information about the prognostic factors in order to tailor the treatment options.
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Conception or design of the work: BD, TS.
Acquisition, analysis of the work: BD, TP, and SA.
Interpretation of data for the work: BD, TP, SA, TS, RS, RM, DM, PM, KR, JI.
Drafting the work or revising it critically for important intellectual content: BD, TP, SA, TS, RS, RM, DM, PM, KR, JI.
Final approval of the version to be published: BD, TP, SA, TS, RS, RM, DM, PM, KR, JI.
Agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved: BD, TP, SA, TS, RS, RM, DM, PM, KR, JI.
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Dasari, B.V.M., Al-Shakhshir, S., Pawlik, T.M. et al. Outcomes of Surgical and Endoscopic Resection of Duodenal Neuroendocrine Tumours (NETs): a Systematic Review of the Literature. J Gastrointest Surg 22, 1652–1658 (2018). https://doi.org/10.1007/s11605-018-3825-7
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DOI: https://doi.org/10.1007/s11605-018-3825-7