A single-photon emission computerized tomography (SPECT) scan lets your doctor analyze your body's organs, tissue and bones. A SPECTscan is a type of nuclear imaging test, which means it uses a radioactive substance and a special camera to create 3D pictures. While imaging tests such as X-rays can show … See more Some of the most common uses of SPECTare to help diagnose or monitor brain disorders, heart problems and bone disorders. See more For most people, SPECTscans are safe. If you receive an injection or infusion of radioactive tracer, you may experience: 1. Bleeding, pain or swelling where the needle was inserted in … See more How you prepare for a SPECT scan depends on your particular situation. Ask your health care team whether you need to make any special preparations before your SPECTscan. In general, you should: 1. Leave metallic jewelry … See more WebJun 3, 2024 · 核技术下精准定量SPECT: The Time is NOW. 随着核医学技术的不断发展，核医学影像设备也在日新月异快速进步。. 从1958年Anger 发明第一台开创了核医学显像新纪元的γ照相机，到20世纪80年代横空出世的初代SPECT、 PET，再到现如今不断更新迭代、集各种时代前沿科技于 ...
SPECT、PET、CT与MRI成像原理及其特点的比较 - CSDN博客
http://www.basda.com.cn/index.php?ac=article&at=read&did=509 Web单光子发射计算机断层成像术 (Single-Photon Emission Computed Tomography，SPECT)和正电子发射断层成像术 (Positron Emission Tomography， PET )是核医学的两种CT技 … scotty\\u0027s skate castle sheridan wy
Single photon emission computed tomography (SPECT)
WebJul 30, 2024 · spect既可以成平面影像，也可以绕人体旋转采集、重建为高分辨率的断层图象。 pet ct和spect主要区别： pet ct可以灵敏地检查肿瘤，是从分子学层面检查病变。spect只能够提供图像，不能确定检查部位性质。 pet ct是全身检查，spect只能检查局部器官。 WebOct 18, 2014 · SPECT、PET、CT与MRI成像原理及其特点的比较. SPECT的基本原理. SPECT是利用放射性同位素作为示踪剂，将这种示踪剂注入人体内，使该示踪剂浓聚在被测脏器上，从而使该脏器成为γ射线源，在体外用绕人体旋转的探测器记录脏器组织中放射性的分布，探测器旋转 ... WebDec 30, 2024 · OCT又称为光学相干断层成像，这是一种利用光的干涉的原理，对视网膜各层成像进行相关的检查。. OCT在眼科应用十分的广泛，像眼底的疾病，像黄斑水肿、黄斑前膜、或者视网膜的出血，甚至是视网膜血管的病变，以及视网膜视细胞的病变，以及脉络膜的病 … scotty\\u0027s signs and wraps