Differentiation of nonneoplastic and neoplastic gallbladder polyps 1 cm or bigger with multi-detector row computed tomography

Journal of Computer Assisted Tomography
Ko Woon ParkWon Jae Lee

Abstract

To evaluate useful computed tomographic features to differentiate nonneoplastic and neoplastic gallbladder polyps 1 cm or bigger. Thirty-one patients with 32 nonneoplastic polyps and 67 patients with 73 neoplastic polyps 1 cm or bigger underwent unenhanced and dual-phase (arterial and portal venous phases) multi-detector row computed tomography. Gallbladder polyps were diagnosed by cholecystectomy. Computed tomographic features including size (<or=1.5 or >1.5 cm), surface (smooth or irregular), shape (pedunculated or sessile), accompanying wall thickening, basal indentation, perception on unenhanced images, and enhancement pattern between 2 groups were compared using univariate and multivariate analyses. On univariate analysis, age 55 years or older (P = 0.0019), size bigger than 1.5 cm (P < 0.0001), irregular surface (P = 0.0033), sessile shape (P = 0.0016), accompanying wall thickening (P = 0.0056), basal indentation (P = 0.0236), and perception on unenhanced images (P < 0.0001) were significantly more frequent in neoplastic polyps as compared with nonneoplastic polyps. On multivariate analysis, size bigger than 1.5 cm (P = 0.0260), sessile shape (P = 0.0397), and perception on unenhanced images (P < 0.0001) were statisticall...Continue Reading

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Citations

Jan 15, 2014·Abdominal Imaging·E Rang SongEun Jung Cha
Jun 2, 2012·North American Journal of Medical Sciences·Ake Andrén-Sandberg
Nov 26, 2015·Clinical Radiology·S W KimK Y Won
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Mar 4, 2020·Journal of Medical Ultrasonics·Haruo MiwaShin Maeda
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Jan 1, 2017·Surgical Endoscopy·Shu-Cheng ChouShin-E Wang
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