Role of volumetric multiparametric MRI in distinguishing between intraductal papillary mucinous neoplasms and serous cys
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PANCREAS
Role of volumetric multiparametric MRI in distinguishing between intraductal papillary mucinous neoplasms and serous cystadenoma Maryam Ghadimi1 · Pallavi Pandey1 · Roya Rezvani Habibabadi1 · Mina Motaghi1 · Mohammadreza Shaghaghi1 · Pegah Khoshpouri1 · Ankur Pandey1 · Bita Hazhirkarzar1 · Sanaz Ameli1 · Mounes Aliyari Ghasabeh1 · Azarakhsh Baghdadi1 · Ihab R. Kamel1 Received: 12 August 2020 / Revised: 16 September 2020 / Accepted: 27 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Purpose To evaluate the use of volumetric multiparametric MRI in differentiating pancreatic intraductal papillary mucinous neoplasms (IPMNs) from serous cystadenomas (SCAs) Methods Included patients (123 patients with pancreatic cystic neoplasms (PCNs) measuring ≥ 10 mm) were stratified into two groups based on cyst type. Axial cyst size, region of interest (ROI)-based apparent diffusion coefficient (ADC) and volumetric data, including cyst volume, volumetric apparent diffusion coefficient (vADC), and volumetric venous enhancement (vVE) were extracted and compared between the two groups. Univariate and multiple logistic regression was used to develop models for distinguishing between IPMNs and SCAs. Results Volume and size of the cysts, vVE and vADC and ROI-ADC were significantly different between the two groups. Cyst volume was significantly larger in SCAs (median = 14.1cm3, IQR 3.5–42.5) than in IPMNs (median = 2.5 cm3, IQR 1.1–6) (p
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