Thoracic Key

Fig. 6.1 Number of full-length papers by year available on PubMed dealing with deformable registration for radiation therapy. The numbers documented correspond to the hits of a search with terms…

) image sequences, often without concerning knowledge about anatomy and physiology in detail. In contrast, biophysical approaches aim at identification of anatomical and physiological aspects of breathing dynamics that are…

 ms) is the Somatom Definition dual-source CT scanner [5] (Siemens Medical Solutions USA, Malvern, PA). Cardiac CT is a non-invasive clinical procedure to image the coronary arteries and was the…

which is a function of the acquisition time . One acquisition consists of a set of projection images with the coordinates of the 2D flat panel for the projection image…

Fig. 8.1 Example of a landmark in a lung CT data set, selected by three medical experts. It can be seen that manual landmark selection and subsequent quantitative registration evaluation…

 % per year. In this chapter we give discuss the history and growth of 4D CT, describe the variability in respiratory motion, and state both the applications and limitations of…

Fig. 12.1 Illustration of the effect of system latency on the target localization accuracy (from Sharp et al. [13]) Fig. 12.2 Necessity for predicting respiratory motion, illustrated in the framework…

Tumor or organ Motion and comments Reference Lung tumor 4D CT studies show that the majority of lung tumors move less than 1 cm in the cranio-caudal direction [71] Mediastinal lymph…

of projections are required. This speed reduces breathing motion artifacts that occur when scanner rotation periods are more than 1 s. There are two basic modes of CT scanning. By far,…