Magnetic resonance pancreatography: Comparison of two- and three-dimensional sequences for assessment of intraductal papillary mucinous neoplasm of the pancreas

Jin Young Choi, Jeong Min Lee, Min Woo Lee, Soo Jin Kim, Sun Young Choi, Ji Yang Kim, Joon Koo Han, Byung Ihn Choi

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The purpose was to compare two-dimensional (2D) magnetic resonance pancreatography (MRP) with 3D MRP to evaluate intraductal papillary mucinous neoplasm (IPMN). Thirty-four patients (22 men, 12 women; age range, 45-80 years) with IPMN (n = 40) were examined with MRP on 2D and 3D sequences. Two readers independently reviewed the images to assess the overall image quality, artifacts, lesion location, communication with main pancreatic duct, and potential for malignancy. The readers assigned their confidence level (1-5) for predicting ductal communication of the lesion. The results of MRP were compared with endoscopic retrograde pancreatography and surgical and histopathologic findings. Studies obtained with 3D MRP were of significantly higher technical quality than those obtained with 2D MRP. Although 3D MRP showed higher area under the ROC curve (Az) values for predicting ductal communication of the lesion, there was no statistical significance between Az values of 2D and 3D MRP (Azfor 2D = 0.821, 0.864 for readers 1 and 2, respectively, and Az for 3D = 0.964, 0.921). Accuracies for discriminating benign from malignant lesions were 70 and 67.5% (reader 1 and 2, respectively, for 2D) and 62.5 and 80.1% (3D). 3D MRP showed superior image quality to that of 2D MRP but did not increase the diagnostic accuracy for predicting ductal communication of the lesion.

Original languageEnglish
Pages (from-to)2163-2170
Number of pages8
JournalEuropean Radiology
Volume19
Issue number9
DOIs
StatePublished - 2009

Keywords

  • Intraductal papillary mucinous neoplasm
  • Magnetic resonance pancreatography
  • Pancreas

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