Accurate quantification in PET and SPECT requires correction for a number of physical
factors, such as photon attenuation, Compton scattering and random coincidences (in PET) …

Reliable attenuation correction methods for quantitative emission CT (ECT) require accurate
delineation of the body contour and often necessitate knowledge of internal anatomic …

Historically, medical devices to image either anatomical structure or functional processes
have developed along somewhat independent paths. The recognition that combining …

Criteria for evaluation of disease extent by 123I-metaiodobenzylguanidine scans in
neuroblastoma: a report for the International Neuroblastoma Risk Group (INRG) Task Force …

The reliability of radiation dose estimates in internal radionuclide therapy is directly related
to the accuracy of activity estimates obtained at each imaging time point. The recently …

Single-photon emission computed tomography/computed tomography (SPECT/CT) has
emerged during the past decade as a means of correlating anatomical information from CT …

Accurate anatomical localization of functional abnormalities obtained with the use of
positron emission tomography (PET) is known to be problematic. Although tracers such as …

Modern imaging technologies visualize different aspects of disease in a non-invasive way.
Considerable progress has been made in the fusion of images from different imaging …

Diagnostic imaging has gained a major role in the management of patients with cancer and
has made a further step forward with the introduction of fusion techniques into the field. This …

Many different types of radiation have been exploited to provide images of the structure and
function of tissues inside a living subject. Each imaging modality is characterized by differing …