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Original Article

EUS-guided lauromacrogol ablation of insulinomas: a novel treatment

, , , , , , , , , & show all
Pages 616-620 | Received 05 Sep 2017, Accepted 03 Nov 2017, Published online: 16 Nov 2017
 

Abstract

Background and aims: EUS-guided ablation with ethanol has been used to treat insulinoma since 2006 as a minimally invasive alternative for those who are unwilling or unsuitable for surgeries. However, pancreatic fistula, pancreatitis and other adverse effects were found after the procedure in these patients. Herein, we aimed to find a novel feasible injection.

Methods: Seven patients with different chief complaints were diagnosed with insulinoma by symptoms, lab results and pathology results from EUS fine needle aspiration. All the patients refused to have surgeries and were treated by EUS-guided ablation with lauromacrogol. The injection volume was calculated by tumor size. All the patients were followed up by at least 1 month to see if there is any adverse effect. Blood glucose (BG), insulin and C-peptide levels were monitored before and after the procedure.

Results: Insulinoma size ranged from 0.76 cm ×0.84 cm to 3.39 cm ×1.84 cm. With a mean injection volume of 1.9 ml (range from 0.9 to 3.9 ml), all the patients showed relief in symptoms after the procedure. During the follow up, their BG, insulin and C-peptide levels went back to normal. None of the patients had any adverse effect.

Conclusions: EUS-guided ablation with lauromacrogol showed good treatment results and received no adverse effect after the procedure. Hence, we consider it as an effective and safe method to treat insulinoma.

Disclosure statement

No potential conflict of interest was reported by the authors.

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