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Why does FerriScan require such a large field of view when you are only measuring liver iron?

April 26, 2017ferriscan field iron large liver measuring require view

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Why does FerriScan require such a large field of view when you are only measuring liver iron?

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The FerriScan Analysis process has multiple steps to determine the fundamental 1/T2 values of tissue. Critical to the analysis are: the use of an external reference (saline infusion bag); the sampling of structured and unstructured noise from spaces all around the patient; and the measurement of the RF signal attenuation profile through the entire cross section of the patient.