positron scintigraphy

例句：

1. 1.Positron scintigraphy isa medical imaging technique that uses positron-emitting radioactive isotopes to detect abnormalities in the body.
   正电子发射断层扫描是一种医学成像技术，它使用正电子发射的放射性同位素来检测身体中的异常情况。
2. 2. During the scan, thepatient lies on a table with a specialcamera attached to their chest and neck.
   在扫描过程中，患者躺在一张带有特殊相机连接到胸部和颈部的桌子上。
3. 3. Theresults of the scan can help doctors diagnosediseases such as cancer or heart disease byrevealing areas of the body that are notfunctioning properly.
   扫描结果可以帮助医生诊断疾病，如癌症或心脏病，通过揭示身体中功能不正常的区域。