Computing Diffusion Rates in T2-dark Hematomas and Areas of Low T2 Signal

  • 1 January 2001
    • journal article
    • research article
    • Vol. 22  (1) , 112-118
Abstract
BACKGROUND AND PURPOSE: It has been suggested that restricted diffusion is present within hematomas with intact red cell membranes; however, computing apparent diffusion coefficient (ADC) values in areas of low T2 signal can be problematic. Our purpose was to show the pitfalls of measuring diffusion within hematomas with intracellular blood products and to present a framework based on the properties of expected values for computing ADC values from regions with signal intensities close to that of the background noise (ie, T2-dark hematomas).

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