Advanced Noncontrast MR Imaging in Musculoskeletal Radiology

作者：Partovi Sasan^*; von Tengg Kobligk Hendrik; Bhojwani Nicholas; Karmonik Christof; Maurer Martin; Robbin Mark R

来源：Radiologic Clinics of North America, 2015, 53(3): 549-+.

DOI：10.1016/j.rcl.2015.01.005

• Skeletal muscle
• Blood-oxygen-level-dependent MR imaging
• Arterial spin labeling
• Diffusion-weighted imaging
• Diffusion-tensor imaging
• Peripheral arterial occlusive disease
• Soft-tissue and bone tumors

Multiple nonmorphologic magnetic resonance sequences are available in musculo-skeletal imaging that can provide additional information to better characterize and diagnose musculoskeletal disorders and diseases. These sequences include blood-oxygen-level-dependent (BOLD), arterial spin labeling (ASL), diffusion-weighted imaging (DWI), and diffusion-tensor imaging (DTI). BOLD and ASL provide different methods to evaluate skeletal muscle microperfusion. The BOLD signal reflects the ratio between oxyhemoglobin and deoxyhemoglobin. ASL uses selective tagging of inflowing blood spins in a specific region for calculating local perfusion. DWI and DTI provide information about the structural integrity of soft tissue including muscles and fibers as well as pathologies.

• 出版日期2015-5