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The practice of endoscopic ultrasound (EUS)–guided fine-needle aspiration (FNA) in patients with pancreatic cancer has been the standard of care for 20 years. Yet, there is a paucity of recent or high-quality data about the risks of microscopic dissemination of malignant cells and tumor seeding with this approach.
In the current study, researchers retrospectively assessed peritoneal recurrence among 411 patients undergoing curative resection for pancreatic cancer, of whom 90 underwent preoperative EUS-guided FNA. Patients were followed postprocedurally for an average of 16 months. Peritoneal recurrence developed in 131 patients overall and at a similar rate in those who underwent EUS-guided FNA (30%) and those who did not (32%). The overall …