What is enhancement?

Enhancement are:

  • - 1. Augmentation
  • - 2. In immunology, prolongation of a process by suppressing opposing factors
  • - 3. Improvement of the definition of an x - ray or computer image.

acoustic e. In ultrasonography, overamplification of echoes returning from behind
fluid-filled structures.
contrast e. Increase in definition obtained by using a material that accentuates vascular
structures, such as iodinated substances for computed tomography scans and gadolinium for magnetic resonance imaging scans.
ring e. In computed tomography, a bright circle seen on an image made after injection
of a contrast medium; indicates localization of the contrast on the periphery of an abscess.

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