The involvement of inflammatory cells in the pathogenesis of chronic obstructive pulmonary
disease (COPD) and asthma is well established. This study aimed to quantify differences in …

T HE 1990s marked the emergence of positron emission tomography (PET) using F-18
fluorodeoxyglucose (FDG) as the single most powerful imaging tool in the diagnosis and …

Molecular imaging provides an opportunity to study biological processes in vivo. Specific
molecular 'probes' are labelled with radioactive tracers, and imaging is carried out using …

Purpose Clinical ventilation studies are primarily performed with computerized tomography
(CT) and more often with single-photon emission Computerized tomography (SPECT) using …

18 FDG-PET is an imagining technique based on metabolic criteria rather than
morphological criteria.(18) FDG-PET can demonstrate accelerated glycosis in cancer tissue …

Conventional nuclear imaging techniques utilizing lead collimation rely on radioactive
tracers with little role in human physiology. The principles of imaging based on coincidence …

Positron emission tomography (PET) is an analytical imaging technique that provides a way
of making in vivo measurements of the anatomical distribution and rates of specific …

Studies of myocardial blood flow and substrate metabolism of the human heart with positron
emission tomography (PET) have proved clinically useful in patients with coronary artery …

Positron emission tomography is a technique that uses specially designed radioactive
tracers to image the body's function non-invasively. This paper describes the equipment and …

Positron emission tomography (PET) is an imaging technique that provides quantitative,
regional measurements of biochemical and physiological processes in living human …