Endoscopic ultrasound-guided radiofrequency ablation of premalignant pancreatic-cystic neoplasms and neuroendocrine tumors: Prospective study

Fadi Younis, Dana Ben-Ami Shor, Nir Lubezky, Ravit Geva, Esther Osher, Oren Shibolet, Adam Phillips, Erez Scapa*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background Endoscopic ultrasound-guided radiofrequency ablation (EUS-RFA) is a developing therapeutic approach for premalignant pancreatic-cystic neoplasms (PCNs) and small pancreatic neuroendocrine tumors (PNETs). The safety and efficacy of pancreatic EUS-RFA were previously reported in small series. Herein we report our initial experience with RFA of PCNs and small PNETs. Methods This is a prospective single-center study including 12 patients with a median follow-up of 7 months, with either PCN or PNET <2 cm. Eligible PCNs were either intraductal papillary mucinous neoplasms (IPMN) with worrisome features or mucinous cystic neoplasms (MCN) that were not eligible or refused surgery. Ablation was performed using a 19-gauge dedicated needle. Results Twelve patients were treated, five had PCNs (four IPMNs, one MCN; median size of 36 mm, range 12-60) and seven had PNETs (median size 8.9 mm, range 6-18). Among patients with PCNs, the complete radiologic response was achieved in 3/5 (60%), partial response in 1/5 (20%) and failure in 1/5 (20%). Among six patients with nonfunctioning PNETs, the complete radiologic response was achieved in 4/6 (66.7%), partial radiologic response in 0/6 (0%) and failure in 2/6 (33.3%). Following a median follow-up of 7 months. One patient with insulinoma showed complete resolution of hypoglycemia-related symptoms. Three postprocedural adverse events occurred, including one case (1/12, 8.3%) of mild acute pancreatitis and two cases (2/12, 16.7%) of abdominal pain. Conclusion EUS-guided RFA for premalignant PCNs and PNETs is feasible and well-tolerated. Efficacy would be further evaluated with continued follow-up of patients.

Original languageEnglish
Pages (from-to)1111-1115
Number of pages5
JournalEuropean Journal of Gastroenterology and Hepatology
Volume34
Issue number11
DOIs
StatePublished - 1 Nov 2022

Keywords

  • cystic neoplasms
  • endoscopic ultrasound
  • neuroendocrine tumors
  • pancreas
  • radiofrequency ablation

Fingerprint

Dive into the research topics of 'Endoscopic ultrasound-guided radiofrequency ablation of premalignant pancreatic-cystic neoplasms and neuroendocrine tumors: Prospective study'. Together they form a unique fingerprint.

Cite this