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Table 2 Diagnostic accuracy of plain MR images (including MRCP), coronal LAVA images (including axial delayed phase), and plain MR with coronal LAVA images

From: Comparison of preoperative evaluation of malignant low-level biliary obstruction using plain magnetic resonance and coronal liver acquisition with volume acceleration technique alone and in combination

Diseases Number of cases Positioning diagnosis Qualitative diagnosis
Plain MR Coronal LAVA Plain MR with coronal LAVA Plain MR Coronal LAVA Plain MR with coronal LAVA
Pancreatic adenocarcinoma 14 13 12 13 12 13 13
Distal common bile duct carcinoma 12 11 11 11 9 11 11
Ampullary carcinoma 10 8 9 9 7 9 10
Periampullary duodenal carcinoma 5 4 5 5 4 5 5
Total 41 36 37 38 32 38 39
Diagnostic accuracy   87.8 % 90.2 % 92.7 % 78.0 % 92.7 % 95.1 %
  1. MR magnetic resonance, MRCP magnetic resonance cholangiopancreatography, LAVA liver acquisition with volume acceleration