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: There are numerous imaging modalities available to describe pancreatic parenchyma. None of the broadly accepted diagnostic methods uses elasticity as an indicator of tissue damage.Aim : The aim of the present study was to establish reference values of parenchymal stiffness of normal pancreatic parenchyma through point shear wave elastography.Materials and methods : The design of the study is prospective single-center cohort study. Sixty patients were included in the study. The ultrasound-based point shear wave elastography (pSWE) imaging technique was applied. The mean and median shear wave velocity values of the pancreatic parenchyma in the head, body and tail were calculated. The influence of certain variables on the shear wave velocity (SWV) values was estimated.Results : A reference range for the entire pancreatic parenchyma of 0.66-1.62 m/s and a mean value of 1.17±0.22 m/s were calculated. Apart from age, none of the evaluated factors proved to have statistically significant influence on the obtained results. A measurement success rate of 94.5%, 97.2%, and 95.8% was established for the head, body, and tail of the pancreas, respectively.Transabdominal pSWE could be utilized for assessment of pancreatic parenchyma with high success rate. A mean value of 1.17 m/s was measured which is consistent with the existing literature on the matter. None of the external factors examined in the study, apart from age, was found to have statistically significant influence on the SWV values.Conclusions : The obtained results suggest that pSWE is a highly objective method for evaluating pancreatic parenchyma. Calculated reference range and mean values could be used in future studies to assess the capabilities of the method for differentiating between normal pancreatic parenchyma and diffuse and focal pancreatic disorders.

Estimating reference values of parenchymal stiffness of normal pancreatic parenchyma by means of point shear wave elastography