It is the objective of all cross-sectional imaging techniques to have the ability
to evaluate the anatomic configuration of normal and abnormal tissues. In addition,
it has become increasingly evident that MR imaging can demonstrate normal and pathologic
processes that represent tissue cellular and intracellular architecture, and intracellular
processes. Using intravenously injected contrast agent can provide further information
regarding the vessels that perfuse normal and abnormal tissues, in regards to the
origin of the vessels, the number and size of vessels, and the integrity of the vessel
walls. Although CT and ultrasound have some of the abilities that are found in MR
imaging, the examples that are discussed in this article show applications of MR imaging
of the liver that are uniquely suited to MR; the combination of different sequences
that make up a routine MR examination are capable of elucidating important and common
disease processes and MR is an evolving anatomic and molecular imaging tool with the
capacity to allow realization of the aim to have techniques that represent noninvasive
pathology assessment.
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