Neck Vascular Lesions
Fig. 6.1 Scheme of the curve of enhancement in the arterial district: description of factors that influenced the different steps Of these factors, the only one that can be modified…
GENERAL RADIOLOGY
Thoracic Trauma: Interventional Radiology
Fig. 13.1 (a–c) CT-angiography showing intimal tear at the aortic istmus (arrows); (d) DSA confirms the presence of an intimal tear (arrow); (e, f) placement of the stent graft; (g)…
Pelvis and Abdomen
2.1Musculoskeletal System The bony pelvis comprises the sacrum and coccyx at the posterior with the innominate bones forming the lateral and anterior boundaries. Figure 2.1.1 illustrates the relationship between these…
Head and Neck (Extracranial)
4.1Musculoskeletal System Although there are a large number of small bones in the head and neck region, it is not necessary for the therapy radiographer to be able to identify…
Intracranial
5.1Cerebrospinal Fluid Spaces The size, shape and distribution of cerebrospinal fluid (CSF) spaces are important indicators of space-occupying mass lesions. The intracranial CSF spaces will show distortion, compression and possible…
Introduction
1.1Purpose of the book This book is intended to prepare the radiotherapy professional for CT interpretation of radiotherapy planning or image-guided radiotherapy scans. This introductory chapter provides some background details…
CT in Radiotherapy
Since its inception in the 1970s, the CT scanner has steadily improved image quality, speed of acquisition and radiation safety. With the rapid development of technology, any description of current…
Normal Tissue Doses Through Advanced Technology
Fig. 1 Target volume concept according to ICRU 62: gross tumor volume (GTV); clinical target volume (CTV); internal target volume (ITV); planning target volume (PTV) Table 1 Uncertainties in radiotherapy…
Metastases
Reference Number of patients RPA class I RPA class II RPA class III Gaspar et al. (1997) 1,200 7.1 4.2 2.3 Lutterbach et al. (2002) 916 8.2 4.9 1.8 (IIIA…
