Abstract
Objective To assess the value of imaging examination technologies such as 2-D ultrasound(2-DUS),helical computed tomography (CT),contrast-enhanced ultrasonography (CEUS) and contrast-enhanced CT (CECT) in the positioning and qualitative diagnosis of pancreatic diseases.Methods 2-DUS,helical CT findings were comparatively reviewed to analyze in 44 cases(45 lesions) with pancreatic space-occupying lesions verified by operation and pathology,and investigated the enhanced mode and the perfusion features of CEUS and CECT in different phases.Results In 45 lesions,there were 29 malignant lesions and 16 benign lesions.CEUS and CECT had greater diagnostic value compared to 2-DUS and helical CT.The sensitivity,specificity and accuracy of 2-DUS for the malignant lesions were 72.41 ％,62.50％ and 66.67 ％,while the helical CT were 68.97％,75.00 ％ and 68.89 ％.The sensitivity,specificity and accuracy of CEUS for the malignant lesions were 93.10％,87.50％ and 91.11％,while the CECT were 86.21％,93.75％ and 86.67％.There was no statistical difference between CEUS and CECT in detecting pancreatic space-occupying lesions.Conclusions CEUS and CECT can provide more accurate diagnosis on for pancreatic space-occupying lesions than 2-DUS and helical CT.Following CECT,CEUS is a new technology for diagnosis on pancreatic space-occupying lesions. Key words: Ultrasonography; Microbubbles ; Pancreatic diseases; Contrast-enhanced CT
Published Version
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