In single photon emission computed tomography, the choice of the collimator has a major
impact on the sensitivity and resolution of the system. Traditional parallel‐hole and fan …

In this review, we will cover both clinical and technical aspects of the advantages and
disadvantages of organ specific (dedicated) molecular imaging (MI) systems, namely …

There is increasing clinical use of combined positron emission tomography and MRI, but to
date there has been no clinical system developed capable of simultaneous single-photon …

Single photon emission computed tomography (SPECT) is an important imaging modality for
various applications in nuclear medicine. The use of multi-pinhole (MPH) collimators can …

With brain-dedicated multi-detector systems employing pinhole apertures the usage of
detectors facing the top of the patient's head (ie quasi-vertex (QV) views) can provide the …

SPECT can be used to image dopamine transporter (DaT) availability in the human striatum,
eg for diagnosis of Parkinson's disease (PD). As traditional SPECT provides limited …

For the 2011 FDA approved Parkinson's Disease (PD) SPECT imaging agent I-123 labeled
DaTscan, the volume of interest (VOI) is the interior portion of the brain. However imaging of …

Objective SPECT is a powerful tool for diagnosing or staging brain diseases such as
Alzheimer's disease (AD) and Parkinson's disease (PD) but is limited by its inferior …

The collimator in single photon emission computed tomography (SPECT), is an important
part of the imaging chain. One of the most important collimators that used in research …

Tungsten grid thin-wall structures are extensively utilized as ray filtering parts in medical
equipment and nuclear industries. In this work, tungsten grid thin-wall structures with a wall …