磁共振成像
生物医学中的光声成像
生物医学工程
断层摄影术
临床实习
材料科学
核磁共振
医学物理学
放射科
医学
光学
物理
家庭医学
作者
Daisuke Kokuryo,Etsuko Kumamoto,Kagayaki Kuroda
标识
DOI:10.1016/j.addr.2020.11.001
摘要
Thermometry is the key factor for achieving successful thermal therapy. Although invasive thermometry with a probe has been used for more than four decades, this method can only detect the local temperature within the probing volume. Noninvasive temperature imaging using a tomographic technique is ideal for monitoring hot-spot formation in the human body. Among various techniques, such as X-ray computed tomography, microwave tomography, echo sonography, and magnetic resonance (MR) imaging, the proton resonance frequency shift method of MR thermometry is the only method currently available for clinical practice because its temperature sensitivity is consistent in most aqueous tissues and can be easily observed using common clinical scanners. New techniques are being proposed to improve the robustness of this method against tissue motion. MR techniques for fat thermometry were also developed based on relaxation times. One of the latest non-MR techniques to attract attention is photoacoustic imaging.
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