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GASTROINTESTINAL Table of Contents   
Year : 2006  |  Volume : 16  |  Issue : 4  |  Page : 515-521
Pancreatic tumors: Prospective evaluation using MR imaging with MR cholangiography and MR angiography


Gb Pant Hospital , Maulana Azad Medical College , New Delhi (Delhi University), India

Correspondence Address:
A K Sharma
Dept Of Radiodiagnosis, G.B Pant Hospital , New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-3026.32260

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Objectives: To assess the efficacy of MR imaging, with MR Cholangiography and MR Angiography in pre operative evaluation of pancreatic tumors. Materials and Methods: 30 patients suspected of having pancreatic tumors underwent MR imaging with a 1.5T unit. Images were prospectively analyzed results correlated with surgery and biopsy. Results: Of the total 30 patients, 24 were histologically proven to be malignant of which 21 underwent surgery. MR characterization - benign from malignant lesions resulted in 27 correct diagnosis (accuracy 90%). 2 patients with histologically confirmed chronic pancreatitis were wrongly considered malignant. Among patients with histologically proven malignancy (n=24), MR imaging yielded correct diagnosis in 23 of 24 patients a sensitivity of 96 %. Overall accuracy for determining vascular involvement in patients who underwent surgery (n=21) was 86% (18 out of 21) a sensitivity of 75% (6 of 8). Sensitivity for detection of lymphadenopathy and liver metastasis was only 50% and 60% respectively. Among patients with final diagnosis of malignancy (n=24) who underwent surgery (n=21), overall accuracy for determining tumor nonresectabilty was 81 % (17 out of 21). Conclusion: A comprehensive combination of MR imaging sequences with MRCP and MR Angiography offers excellent potential to depict, characterize and preoperatively determine the resectability of pancreatic masses.


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