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Examination

6.3

Viewing the results

Four of the resulting image types are automatically loaded in the

viewer:

Magnitude Image

This is the standard MRI magnitude image.

Relative stiffness Map (Elastogram)

This image contains the magnitude of the complex shear modulus. The

displacement field is to be converted to a relative stiffness map by solv

ing the Helmholtz equation. The processing assumes local uniformity,

incompressibility, and a material density equal to that of water.

Relative stiffness 95% Map

Areas in the relative stiffness map where the confidence map shows val

ues of less than 95% (950 in the scaled confidence map) are marked

with a checkerboard pattern. The remaining areas represent those

regions where the wave amplitude was highest, providing the most reli

ability in the relative stiffness map.

MR Elastography | Operator Manual

Print No. MR-06020G.640.08.04.02