Reduced counts during a simulated extrinsic uniformity on a SPECT gamma camera.

L Green, CD Gilmore - 2019 - Soc Nuclear Med
2036 Objectives: In order to ensure and maintain the best imaging quality on the gamma
camera, routine quality must be performed. Quality control functions as a proactive measure …

Standard Operating Procedures for Quality Control of Gamma Cameras

A Vaiano - Nuclear Medicine Textbook: Methodology and Clinical …, 2019 - Springer
Several measurements of performance parameters are required to test the operation of
nuclear medicine equipment in the clinical setting. The importance of the parameters and …

[PDF][PDF] Comparing the performance of two gamma cameras under high counting rates: principles and practice

C Guldberg, N Rossing - Journal of Nuclear Medicine, 1978 - Soc Nuclear Med
MATERIALS AND METHODS The testing was concerned mainly with demon strating the
effects of deadtime loss and the coinci dence phenomenon. We also studied the resolution …

Investigation of gamma camera detector uniformity using a dynamic line phantom

T Séra, J Mester, L Csernay… - Nuclear Medicine …, 1998 - journals.viamedica.pl
Background: Investigation of the applicability of the dynamic line phantom for determination
o the uniformity of circular and rectangular field-of-view gamma cameras. Methods: Count …

[PDF][PDF] A comparison of count rate parameters in gamma cameras

TK Lewellen, R Murano - Journal of Nuclear Medicine, 1981 - Soc Nuclear Med
METHODS Spectralfraction. The spectralfraction is the per centage of the total detected
events that were within the gamma camera's PHA window. A lead ring was placed on the …

Practical gamma camera quality control with a four-point phantom.

JL Lancaster, DT Kopp, JS Lasher… - Journal of nuclear …, 1985 - europepmc.org
A gamma camera QC phantom for practical assessment of resolution (average FWHM),
spatial calibration (pixels/mm), nonhomogeneity of spatial calibration, and average point …

Factors affecting gamma-camera non-uniformity

A Hughes, PF Sharp - Physics in Medicine & Biology, 1988 - iopscience.iop.org
Abstract Evaluation of detector non-uniformity is the most common practice in present day
nuclear medicine quality control procedures. The object of this investigation was, firstly, to …

Assessment of camera uniformity using a dynamic line phantom

TD Cradduck, EB Sokole - Journal of nuclear medicine technology, 1990 - Soc Nuclear Med
A commercially available dynamic line phantom has been investigated for its suitability as a
quality control tool for assessing scintillation camera uniformity. A nonuniformity was found …

The influence of acquisition parameters on the extrinsic uniformity on SPECT/CT gamma camera.

U Šprajcer, J Žibert, S Rep - Onkologia i Radioterapia, 2022 - search.ebscohost.com
Abstract Purpuse: The SPECT/CT gamma camera is the most commonly used imaging
device in nuclear medicine. It is used to detect photons emanating from radioactive material …

Intrinsic or extrinsic uniformity maps using 177Lu on a GE Discovery 870 CZT gamma camera

M Sandstrom, A Sundin, M Lubberink - 2019 - Soc Nuclear Med
1363 Objectives: Fractionated therapy with 177 Lu-octreotate is an effective treatment option
for patients with generalized neuroendocrine tumors. The most frequent protocol in therapy …