Multimodality imaging of structure and function

被引:205
作者
Townsend, D. W. [1 ,2 ]
机构
[1] Univ Tennessee, Med Ctr, Dept Med, Knoxville, TN 37920 USA
[2] Univ Tennessee, Med Ctr, Dept Radiol, Knoxville, TN 37920 USA
关键词
D O I
10.1088/0031-9155/53/4/R01
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Historically, medical devices to image either anatomical structure or functional processes have developed along somewhat independent paths. The recognition that combining images from different modalities can nevertheless offer significant diagnostic advantages gave rise to sophisticated software techniques to coregister structure and function. Recently, alternatives to retrospective software- based fusion have become available through instrumentation that combines two imaging modalities within a single device, an approach that has since been termed hardware fusion. As a result, following their recent introduction into the clinic, combined PET/CT and SPECT/CT devices are now playing an increasingly important role in the diagnosis and staging of human disease. Recently, although limited to the brain, the first clinical MR scanner with a PET insert, a technically- challenging design, has been undergoing evaluation. This review will follow the development of multimodality instrumentation for clinical use from conception to present- day technology and assess the status and future potential for such devices.
引用
收藏
页码:R1 / R39
页数:39
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