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The best b value of MR diffusion-weighted imaging for pancreatic cancer |
GUO Li, YANG Da-kuan, YUAN Shu-guang, YAN Dong, WANG Jia-ping |
Department of Radiology, the Second Affiliated Hospital of Kunming Medical College, Kunming 650101, China |
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Abstract Objective: To investigate the best b value for pancreatic cancer with DWI. Methods: Routine MR, DWI with different combination of b values [(0, 50), (0, 400), (0, 700), (0, 1000)s/mm2] were obtained in 73 cases(41 pancreatic cancer, 32 normal). The maps and the value of ADC in pancreatic cancer, tissue near the cancer, normal pancreatic tissue were analyzed and measured respectively. Results: The high image quality of ADC was the combination of (0, 400)s/mm2. There was a significant difference among tissue near the cancer, normal pancreatic tissue and pancreatic cancer. Conclusion: The (0,400)s/mm2 is the best b value for pancreatic cancer with DWI.
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Received: 08 July 2009
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