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Sterile Inflammation from Needle Tracking: An Unrecognized Complication of Endoscopic Ultrasound Guided Fine Needle Aspiration of Pancreatic Cyst

Murali Dharan

Pancreatic cystic lesions are increasingly recognized, in part due to increasing use of imaging modalities. Diagnostic work up includes serial imaging and endosonography guided, fine needle aspiration. While generally safe endosonography - fine needle aspiration does carry associated complications bleeding, infection, perforation, pancreatitis, bile peritonitis, malignant seeding. We report a previously unrecognized complication of duodenitis felt to be due to needle tracking of pancreatic fluid.