![]() CT has been shown to provide a more comprehensive assessment of soft-tissue tumors with regard to patterns of matrix mineralization and patterns of cortical and marrow involvement. One of the most important roles of CT is in providing useful clues for the characterization of soft-tissue lesions. This fact dictates that the radiologist be familiar with CT features of soft-tissue tumors, as well as mimickers of tumors moreover, the radiologist must be aware of what distinctive information is provided by CT compared with MRI. However, the ubiquity of CT, its faster examination times, and its superior patient tolerance compared with MRI have contributed to its exponential growth in utilization, even with regard to musculoskeletal examinations. Recently, MRI has become the diagnostic technique of choice because of its excellent soft-tissue contrast for this large and heterogeneous group of tumors with many overlapping features. ![]() CT has long been used to characterize the composition and anatomic location of soft-tissue masses and has been known for several decades to be able to distinguish benign from malignant processes. Soft-tissue tumors are defined as mesenchymal proliferations that occur in extraskeletal nonepithelial tissues of the body, excluding the viscera, meninges, and lymphoreticular system.
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