Table 3 Positioning misdiagnosis of malignant low level biliary obstruction
Location of lesions | Plain MR | Coronal LAVA | Plain MR with coronal LAVA | |||
|---|---|---|---|---|---|---|
Number | Misdiagnosis | Number | Misdiagnosis | Number | Misdiagnosis | |
Pancreas | 1 | Distal CBD | 2 | Distal CBD; Ampulla | 1 | Distal CBD |
Distal CBD | 1 | Pancreatic head | 1 | Ampulla | 1 | Pancreatic head |
Ampulla | 2 | Duodenum papilla; Distal CBD | 1 | Distal CBD | 1 | Distal CBD |
Periampullary duodenum | 1 | Ampulla | – | – | – | – |
Total | 5 | – | 4 | – | 3 | – |