General Concepts 2 min read
Camera-Based SPECT Systems
The most popular SPECT systems are based on single or multiple scintillation cameras mounted on a rotating gantry. The successful…
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General Concepts 3 min read
Multidetector SPECT System
The first fully functional SPECT imaging acquisition system was designed and constructed by Kuhl and Edwards [Kuhl and Edwards, 1963,…
General Concepts 1 min read
SPECT Instrumentation
A typical SPECT system consists of a single or multiple units of radiation detectors arranged in a specific geometric configuration…
General Concepts 3 min read
Physical and Instrumentation Factors that Affect SPECT Images
There are several important physical and instrumentation factors that affect the measured data and subsequently the SPECT images. As described…
General Concepts 4 min read
The SPECT Imaging Process
The imaging process of SPECT can be simply depicted as in Figure 13.6. Gamma-ray photons emitted from the internal distributed…
General Concepts 1 min read
Basic Principles of SPECT
Single-photon emission computed tomography (SPECT) is a medical imaging technique that is based on the conventional nuclear medicine imaging technique…
General Concepts 2 min read
SPECT (Single-Photon Emission Computed Tomography)
During the last three decades, there has been much excitement in the development of diagnostic radiology. The development is fueled…
General Concepts 1 min read
Defining Terms
Energy resolution: Full width at half maximum of graph of detected counts vs. energy, expressed as a percentage of the energy.…
General Concepts 3 min read
Place of Planar Imaging in Nuclear Medicine Today: Applications and Economics
There are various ways of thinking about diagnostic imaging and nuclear medicine. If the reason for imaging the patient is…
General Concepts 5 min read
Ancillary Electronic Equipment for Detection
The detectors used in nuclear medicine are attached to preamplifiers, amplifiers, and pulse shapers to form a signal that can…
General Concepts 5 min read
Various Detector Configurations
The detectors in clinical nuclear medicine are NaI(TI) crystals. In research applications, other substances are employed, but the engineering considerations…
General Concepts 3 min read
Detection of Photon Radiation
Gamma rays are detected when atoms in a detector are ionized and the ions are collected either directly as in…
