By Wolfgang Mohnike, Gustav Hör, Heinrich R. Schelbert
Based at the adventure received by means of PET/CT specialists with greater than 10,000 sufferers, this handbook impressively demonstrates the benefits of mixed PET/CT. It additionally refers to guides from Europe, the united states and Asia in addition to various studies.
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Additional resources for Oncologic and Cardiologic PET CT-Diagnosis: An Interdisciplinary Atlas and Manual
Beyer T, Lechel U, Mueller SP, Brix G, Sonnenschein W Bockisch A (2004) Radiation exposure during combined whole-body FDG-PET/CT imaging. J Nucl Med 45:426P 11. Beyer T, Tellmann L, Nickel I, Kuehl H, Mueller SP Pietrzyk U (2004) Reduced motion artefacts in the head/ neck region of whole-body PET/CT studies through the use of positioning aids. J Nucl Med 45:428P 12. Beyer T, Antoch G, Bockisch A Stattaus J (2005) Optimized IV contrast administration protocols for diagnostic PET/CT imaging. J Nucl Med 46:429–435 13.
28. a PET and PET/CT examinations (bars) and the corresponding FDG activity concentrations (lines) at the University Hospital Essen, Germany, in autumn 2003. b Weekly organ dose
Due to the high concentration of calcium, the CT energy attenuation coefﬁcient of bones considerably differs from the coefﬁcient for the soft tissue (cf. Fig. 9), so another scaling factor must be used . However, soft tissue and bones can be properly separated and segmented on the CT images, and by means of a resulting bilinear scaling model for both fractions one can elaborate a corresponding attenuation pattern for 511 keV (Fig. 9) that will then be used for attenuation correction . The CT-based attenuation correction is today the standard method used in all PET/CT scanners, and attenuation-corrected (and thus quantitative) PET data are thus today generally accepted in oncology, which was not the case in all clinical centres as long as dedicated PET scanners were used.