ADC Question

I will like to know if someone can help me with some doubts I have regarding ADCs.

1.  I have  a sample with some ADC values obtained in 1,5 T and others obtained in 3T ( same b value). Can I use the ADC values for statistics or do you think that they cannot be compared?

2.  Are the ADC values obtained using a diffusion sequence  the same that the ADC values obtained in a DTI sequence with 12 directions?

Thank you in advance.

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One Response to ADC Question

  1. MCastillo MCastillo says:

    Here is an article in which patients were evaluated with 3.0T and 1.5T MR units. Repeated DTI measurements were done and analysis of data from the two scanners showed no differences in MD:

    Yuan W et al. Characterization of abnormal diffusion properties of supratentorial brain tumors: a preliminary diffusion tensor imaging study. J Neurosurg Pediatr 2008; 1: 263-269

    It is a recent and an open access article, hope it helps!

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