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©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 28, 2005; 11(24): 3756-3761
Published online Jun 28, 2005. doi: 10.3748/wjg.v11.i24.3756
Published online Jun 28, 2005. doi: 10.3748/wjg.v11.i24.3756
Table 1 Pancreaticobiliary diseases (n = 28).
Pancreaticobiliary diseases | Number of cases |
Pancreatic head carcinoma | 14 |
Pancreatic body carcinoma | 3 |
Gall bladder carcinoma | 2 |
Hilar cholangiocarcinoma | 3 |
Common bile duct carcinoma | 3 |
Chronic pancreatitis | 2 |
Common bile duct stone | 1 |
Table 2 MR multi-imaging technique parameters.
Protocol angulation | T1WI/SPIR transversal | T2WI/SPIR transversal | T2WI coronal | MRCP coronal | DCE MRA coronal |
Sequence | TSE/SE | TSE | TSE | TSE | FFE |
TR (ms) | 575/500 | 1 800 | 1 800 | 2 000 | 11 |
TE (ms) | 12/15 | 99/80 | 100 | 700 | 2.5 |
FOV (mm) | 345/375 | 345 | 435 | 395 | 450 |
Matrix | 176×256 | 203×256 | 202×256 | 190×256 | 164×512 |
No. of slices | 16 | 16 | 18 | 50 | 50 |
Thickness (mm) | 10 | 10 | 6 | 2 | 2 |
Gap (mm) | 1 | 1 | 0.6 | 0 | 0 |
Fast factor | 4/- | 18/14 | 23 | 101 | - |
NSA | 5/2 | 4 | 4 | 2 | 1 |
Respiratory | Trigger | Trigger | Trigger | Trigger | Breath-hold |
Table 3 Detection of range of pancreaticobiliary tumor invasion.
MR finding (n) | Final diagnosis (n) | Percentage (%) | |
Adjacent organ infiltration | 15 | 17 | 88.2 |
Liver metastases | 4 | 5 | 80.0 |
Lymph node involvement | 10 | 13 | 76.9 |
Arterial involvement | 8 | 13 | 61.5 |
Portal venous involvement | 17 | 20 | 85.0 |
Peritoneal carcinomatosis | 3 | 3 | 100.0 |
Total | 57 | 71 | 80.3 |
Table 4 Assessment of resectability of pancreaticobiliary tumor (n).
Table 5 Comparison between MR and CT in tumor resectability assessment (n).
MR multi-imaging techniques | CT diagnosis | |
Resectability | Unresectability | |
Resectability | 6 | 1 |
Unresectability | 3 | 15 |
- Citation: Zhong L, Li L, Yao QY. Preoperative evaluation of pancreaticobiliary tumor using MR multi-imaging techniques. World J Gastroenterol 2005; 11(24): 3756-3761
- URL: https://www.wjgnet.com/1007-9327/full/v11/i24/3756.htm
- DOI: https://dx.doi.org/10.3748/wjg.v11.i24.3756