While conventional MRI sequences remain useful, adjunct sequences are now available that are easily integrated into a routine MRI tumor protocol, to enhance the utility of MRI for disease characterization, assessment of treatment response and the detection of tumor recurrence following surgery. Specifically, non-contrast MRI techniques (such as quantitative DWI and chemical shift imaging) are fast and non-invasive and provide valuable information for the evaluation of sarcomas. MR spectroscopy is not in common clinical use for the assessment of sarcomas, although it is a technique that may provide information regarding the metabolic pathways of sarcoma development.
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