Abstract

Background and aims: To evaluate the efficacy of endoscopy ultrasound for diagnosis chronic pancreatitis by Rosemont classification. Patients and methods: A cross - sectional study was conducted on 44 patients undergoing endoscopy ultrasound to diagnose chronic pancreatitis. Results: Study on a total of 44 patients indicated for endoscopic ultrasound. We have some following results: The lesions of chronic pancreatitis on endoscopic ultrasound: The hyperechoic foci without shadowing and stranding was 79.5% and hyperechoic foci with shadowing was 72.7%, cyst and pseudocyst were about 13.6%. Main pancreatic duct dilation is 75%, hyperechoic main pancreatic duct wall was 72.7%, main pancreatic duct stone and irregular main pancreatic duct contour were about 52.2%. Rosemont classification in diagnosis of chronic pancreatitis: Consistent with chronic pancreatitis by 1 major A feature (+) ≥ 3 minor features is 67.5% and 2 major A features is 32.5%. Suggestive of chronic pancreatitis by over 5 minor features is 100%. EUS is more accurate than CT in detecting early chronic pancreatitis. Conclusions: Endoscopic ultrasound is a highly effective method of diagnosing chronic pancreatitis. Key words: endoscopy ultrasound, chronic pancreatitis

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