EUS-guided Ablation of Pancreatic Cyst Neoplasms

All procedures are standard of care and will be undertaken using a curvilinear echoendoscope. The cyst will be punctured using a 22G needle and after subtotal evacuation of the cyst, injection is performed with a volume of alcohol that is equal to the quantity aspirated, and the cyst will be lavaged for 3 to 5 minutes. The injected ethanol will then be evacuated at the end of lavage, leaving just enough fluid to outline the cavity. A second ablative agent such as paclitaxel is then injected and left in the cyst cavity. At the completion of the procedure, the needle will be removed from the cyst cavity.