Emission tomography provides three-dimensional, quantitative images of the distribution of
radiotracers used to mark physiological, metabolic, or pathological processes. Quantitative …

Measurement of alveolar volume (Va) and regional ventilation (V̇a) is crucial to
understanding the pathophysiology of acute lung injury and ventilator-induced lung injury …

Regional measurements of tissue isotope concentration, made using positron emission
tomography (PET), allow tracer models to be used in a quantitative manner to provide …

Regional specific lung volume change (sVol), defined as the regional tidal volume divided
by the regional end-expiratory gas volume, is a key variable in lung mechanics and in the …

Positron emission tomography using the ECAT II scanner to image and measure regional
lung function is outlined. The combined use of transmission and emission imaging provides …

Purpose It has recently been recognized that PET/CT may play a role in diffuse parenchymal
lung disease. However, interpretation can be confounded due to the variability in lung …

MATERIALSAND METhODS PETStudy Subjectsconsistedof four healthymalevolunteers,
35— 50yr old (mean ±sd, 41 ±7). Following a 10-mmtransmissionscan to correctfor …

We have developed a new quantitative single-photon-emission computed tomography
(SPECT) method that uses 113mIn-labeled albumin macroaggregates and Technegas …

[en] The early application of positron emission tomography in the lung was mainly
concerned with the investigation of the regional volume of the vascular and extravascular …

Tracer kinetic modeling in dynamic PET has the potential to improve the diagnosis,
prognosis, and research of lung diseases. The advent of total-body PET systems with much …