Knowles L G
Semin Nucl Med. 1978 Apr;8(2):147-54. doi: 10.1016/s0001-2998(78)80037-3.
Current trends in nuclear medicine to some degree, at least, reflect the level of sophistication available in the instrumentation. A technologically oriented speciality such as this might be expected to shift emphasis from time to time as stepwise advances are made in instrumentation. In its infancy, nuclear medicine concentrated on studies that could be accomplished with a single-probe system. The introduction of rectilinear scanners made imaging practical and of primary concern. Anger's gamma camera made combined static and dynamic studies possible using a single instrument--a decided advantage over previous methodology. The development of digital acquisition, processing, and display systems has had a profound effect on the recently increased emphasis on rapid dynamic studies. Computers are currently being applied to a broad range of clinical problems. Data preparation routines such as uniformity correction and data bounding often are used preliminary to more rigorous mathematical treatment. The development of reasonably low-cost, TV-type displays has greatly increased the quality of the computer display of the radionuclide imaging process.
核医学的当前趋势至少在一定程度上反映了仪器设备的先进水平。像这样一个以技术为导向的专业领域,随着仪器设备的逐步进步,可能会不时地转移重点。在其初期,核医学专注于能用单探头系统完成的研究。直线扫描仪的引入使成像变得切实可行且成为主要关注点。安杰尔的伽马相机使用单一仪器就能进行静态和动态联合研究——这相对于以前的方法具有明显优势。数字采集、处理和显示系统的发展对最近对快速动态研究日益增加的重视产生了深远影响。计算机目前正应用于广泛的临床问题。诸如均匀性校正和数据边界设定等数据预处理程序通常在进行更严格的数学处理之前使用。成本合理的电视型显示器的发展极大地提高了放射性核素成像过程的计算机显示质量。