EUS (Endoscopic Ultrasound)

Why it’s done • Pancreatic masses or cysts • Submucosal GI lesions • Staging of esophageal or rectal cancer • Lymph-node sampling Preparation • Fast 6–8 hours • Consent for possible FNA/FNB biopsy Procedure • Sedation; echoendoscope advanced to target region • Ultrasound imaging and needle biopsy performed Afterwards • Recovery for 1–2 hours • Resume diet and activities as directed Risks • Mild bleeding (0.1–0.5%) • Pancreatitis (0.4%) • Infection (<1%) • Rare perforation (<0.05%)