Gamma Camera
Assessment of the Performance of the Siemens E-Cam Dual Head Gamma Camera during Load Shedding Period
... The intrinsic uniformity is most sensitive to changes in the photomultiplier tubes (PMTs) performance and photopeak location changes. A photopeak energy that is incorrectly set may leads to degradation of the uniformity ...
5
Modified Maximum Likelihood Estimation of the Spatial Resolution for the Elliptical Gamma Camera SPECT Imaging Using Binary Inhomogeneous Markov Random Fields Models
... the gamma camera imaging based on the [1] is analyzed considering where the body distance is detected (close or far ...elliptical camera detection instead of ...
8
Effect of Source to Camera Distance and Count Rate on Intrinsic Uniformity of SPECT Gamma Camera
... of gamma camera. Before using gamma camera, day-to-day evaluation and judgment of flood-field uniformity are mandatory for patient testing [10] ...
7
The effect of collimator geometrical characteristics on image quality in GAMMA CAMERA
... Gamma camera, in contrast to the other types of medical imaging instruments; X-ray, ultrasound and magnetic resonance, does not create anatomical map of the body, but instead, image of the local ...
27
Comparative assessment of the accuracy of maximum likelihood and correlated signal enhancement algorithm positioning methods in gamma camera with large square photomultiplier tubes
... We developed a rectangular gamma camera with combination of an array of 64 square PMTs then we applied the MLE positioning method on the developed detector and evaluated the pe[r] ...
6
GAMMA CAMERA IMAGING OF WATER FLOODING PROCESS IN POROUS MEDIA USING RADIOTRACER
... is gamma emitter isotope with a half-life of 6 hours and energy of ...bedrock. Gamma camera is arranged next to the porous media in order to capture the movement of radiotracer which has been set to ...
9
In vivo quantification of 177Lu with planar whole-body and SPECT/CT gamma camera imaging
... the gamma camera is frequently used to measure functional parameters from organs, such as renal function, left ventricular ejection fraction, relative myocardial perfusion and thyroid uptake, the data ...
17
Brain Fluorine 18 Fluorodeoxyglucose Imaging with Dual Head Coincidence Gamma Camera:Comparison with Dedicated Ring Detector PositronEmission Tomography
... Dual-head coincidence gamma camera (DHC) imaging has been proposed as a means of acquiring FDG images (5). Although DHC has been used in nuclear oncology (6, 7), little has been reported about its ...
6
Optimal uniformity index selection and acquisition counts for daily gamma camera quality control
... Murray, Anthony W., Barnfield, Mark C. and Thorley, Penelope J. (2014) Optimal uniformity index selection and acquisition counts for daily gamma camera quality control. Nuclear Medicine Communications, 35 ...
31
Optimization of sentinel lymph node biopsy in breast cancer using an operative gamma camera
... operative gamma camera was used during and after the ...operative gamma camera, then removed and measured ...operative gamma camera enabled the identification of a second SLN ...
6
Validation Of Gamma Camera Design By Using Gate
... the gamma camera brand Toshiba model GCA-7100A that has been developed by using open- source simulator software and this shows that an open-source software can be reliable as the paid software such as ...
24
Controlling System for Sample Preparation of Gamma Camera
... a Gamma Camera but it's a bit different from the cameras that you're probably familiar with! In order to image a specific organ the radioisotope is mixed with a special pharmaceutical which is injected into ...
18
Quality Control of Gamma Camera with SPECT Systems
... scintillation camera, also known as the Anger camera [1]. After developing gamma camera we get multiple gamma camera which generate a three dimensional ...scintillation ...
8
Characterisation of the attenuation properties of 3D-printed tungsten for use in gamma camera collimation
... standard gamma camera collimator were made to match the specifications of the Tungsten collimator and a 1-mm- diameter line source positioned across the full length of the detector field of ...
17
Determination of gamma camera calibration factors for quantitation of therapeutic radioisotopes
... The purpose of the present study is to evaluate all these methods, compare their performance and check if, and under what conditions, the planar calibration and tomographic calibration produce equivalent results. A large ...
16
Development and Assessment of Quality Control Phantom for Linearity and Uniformity
... of gamma camera for measuring the flood field uniformity and linearity with a usage of full detector mask, 0 degree orientation, Low Energy High Resolution collimator, Intrinsic flood correction, 140 KeV ...
7
Technetium-99m transport and immobilisation in porous media: Development of a novel nuclear imaging technique
... time. Gamma camera imaging has proven an effective tool for helping to understand the factors which control the migration of radionuclides for surface, near-surface and deep geological disposal of nuclear ...
7
Imaging of Viral Thymidine Kinase Gene Expression by Replicating Oncolytic Adenovirus and Prediction of Therapeutic Efficacy
... for gamma ray imaging of TK ...by gamma camera, both Ad- E1B19/55-TK and Ad- Δ Δ E1A-TK infected cells showed increased I-131 FIAU uptake in a MOI dependent pattern ...on gamma counting for ...
8
Comparing Feature Selection Method For Neural Network Classification
... xi LIST OF FIGURE NO TITLE 2.1.1.1 Schematic diagram of the production of radionuclide image using a gamma camera Comparison between normal and abnormal heart A normal artery with normal[r] ...
24
Investigation of the effect of physical parameters on the design of tumour targeting agents
... Results were evaluated from gamma camera images and expressed as % injected activity kg"T The % decrease in kidney uptake levels for patient 7 compared to the median[r] ...
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