Abstract
Quality control of Gamma Camera with SPECT System is highly valuable for assurance performance characteristic. We report the performance characteristic of gamma camera by intrinsic calibration and verification measurement. The study has been done using the data from Siemens Symbia S Series gamma camera by using a point source 99mTc at the Institute of Nuclear Medicine & Allied Sciences (INMAS), Khulna, Bangladesh. From intrinsic calibration and verification flood series, the integral uniformity for the central field of view (CFOV) has been found in between 4.01% and 2.88% and for the useful field of view (UFOV) has been in between 4.77% and 4.30%. The differential uniformity for the CFOV has been in between 1.53% and 2.04% and for the UFOV has been in between 2.32% and 2.77%. According to Operating Instruction Symbia System S Series manual, uniformity can compensate for values exceeding 10%, however while integral uniformity exceed 7%, have to contract Siemens customer service representative. In conclusion, these results show that the intrinsic uniformity of the gamma camera under this condition is within an acceptable range; thus the gamma camera working in INMAS is performed well.
Highlights
Gamma Camera is a major imaging device used in Nuclear Medicine
Quality control of Gamma Camera with Single photon emission computed tomography (SPECT) System is highly valuable for assurance performance characteristic
These results show that the intrinsic uniformity of the gamma camera under this condition is within an acceptable range; the gamma camera working in Institute of Nuclear Medicine & Allied Sciences (INMAS) is performed well
Summary
Gamma Camera is a major imaging device used in Nuclear Medicine. It is a diagnostic instrument which is used to image the radiation from a radiotracer inserted into patient’s body. It scans the radiation area of the radiotracer and produces an image. The main purpose of Gamma camera with SPECT system is to scan brain heart, respiratory, liver and kidney. It is used for clinical studies producing better image and making diagnosis easier. The SPECT gamma camera is much more complex diagnostic instrument and it is more expensive to purchase and maintain
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