期刊
EUROPEAN RADIOLOGY
卷 32, 期 11, 页码 7623-7631出版社
SPRINGER
DOI: 10.1007/s00330-022-08837-w
关键词
Diffusion tensor imaging; Skeletal muscle; Fiber tracking; artifacts
Diffusion tensor imaging (DTI) is an advanced MRI technique that provides pathophysiologic information and quantitative assessment of muscle microstructure, with the potential to become imaging biomarkers for skeletal muscle.
Magnetic resonance imaging (MRI) of skeletal muscle is routinely performed using morphological sequences to acquire anatomical information. Recently, there is an increasing interest in applying advanced MRI techniques that provide pathophysiologic information for skeletal muscle evaluation to complement standard morphologic information. Among these advanced techniques, diffusion tensor imaging (DTI) has emerged as a potential tool to explore muscle microstructure. DTI can noninvasively assess the movement of water molecules in well-organized tissues with anisotropic diffusion, such as skeletal muscle. The acquisition of DTI studies for skeletal muscle assessment requires specific technical adjustments. Besides, knowledge of DTI physical basis and skeletal muscle physiopathology facilitates the evaluation of this advanced sequence and both image and parameter interpretation. Parameters derived from DTI provide a quantitative assessment of muscle microstructure with potential to become imaging biomarkers of normal and pathological skeletal muscle.
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