Bimonthly Meeting on Jan. 23, 2009 Chemical Information on Phantom by Gaussian Function Amarjeet Bhullar
Jan 03, 2016
Bimonthly Meeting on Jan. 23, 2009Chemical Information on Phantom by Gaussian FunctionAmarjeet Bhullar
7*7=49 VoxelsCho=3097.32Cre=3726.94NAA=4818.51
Voxel 1 to 49GaussianCho/Cre0.831Cho/NAA0.642
15*15=225 VoxelsCho=8497.17Cre=10162.30NAA=13166.20
Voxel 1 to 225GaussianCho/Cre0.836Cho/NAA0.645
7*7=49 Voxels and 15*15=225 Voxels
Comparison between 7*7 and 15*15 Spectra
Voxel 1 to 49GaussianCho/Cre0.831Cho/NAA0.642
Voxel 1 to 225GaussianCho/Cre0.836Cho/NAA0.645
Metabolite peaks fit by Gaussian function
Cho=26.4059Cre=38.3233NAA=50.3961Calculation of Metabolite Concentrations
Cho=30.047Cre=45.8772NAA=51.899Calculation of Metabolite Concentrations
Cho=27.7975Cre=39.7157NAA=50.4718Calculation of Metabolite Concentrations
Cho=34.0246Cre=49.0628NAA=60.5868Calculation of Metabolite Concentrations
Cho=123.506Cre=174.144NAA=220.372Calculation of Metabolite Concentrations
Cho=67.1154Cre=74.2094NAA=93.7448Calculation of Metabolite Concentrations
Voxel Comparison
15*15ChoCreNAAVox#3326.405938.323350.3961Vox#3430.047045.877251.8990Vox#4827.797539.715750.4718Vox#4934.024649.062860.5869Total Con.110.6558172.979213.3538
15*15ChoCreNAAVox#33+34+48+49123.506174.144220.372
7*7ChoCreNAAVox#967.115474.209493.7448
Conclusion:Even difference of smallest fraction between voxel size (7*7 and 15*15) creates differentmetabolite concentrations.Suggestions are welcome
Row Wise Distribution of Cho/Cre
Row Wise Distribution of Cho/NAA
Metabolite Ratios by Gaussian function
Voxel #1GaussianCho/Cre0.751014Cho/NAA0.82592
Voxel #2GaussianCho/Cre0.920288Cho/NAA1.204818
Voxel #3GaussianCho/Cre1.026504Cho/NAA1.00366
Voxel #4GaussianCho/Cre0.934274Cho/NAA1.265779
Metabolite Ratios by Gaussian function
Voxel #4GaussianCho/Cre0.934274Cho/NAA1.265779
Voxel #5GaussianCho/Cre0.913693Cho/NAA0.950665
Voxel #6GaussianCho/Cre0.905497Cho/NAA1.00024
Voxel #7GaussianCho/Cre0.890625Cho/NAA1.284948
Metabolite Ratios by Gaussian function
Voxel #8GaussianCho/Cre0.860931Cho/NAA0.544306
Voxel #9GaussianCho/Cre0.904406Cho/NAA0.715937
Voxel #10GaussianCho/Cre0.817914Cho/NAA0.667594
Voxel #11GaussianCho/Cre0.836532Cho/NAA0.680032
Metabolite Ratios by Gaussian function
Voxel #12GaussianCho/Cre0.859035Cho/NAA0.683185
Voxel #13GaussianCho/Cre0.84962Cho/NAA0.697155
Voxel #14GaussianCho/Cre0.770389Cho/NAA0.74367
Voxel #15GaussianCho/Cre0.915505Cho/NAA0.559509
Metabolite Ratios by Gaussian function
Voxel #16GaussianCho/Cre0.89351Cho/NAA0.650015
Voxel #17GaussianCho/Cre0.807657Cho/NAA0.605227
Voxel #18GaussianCho/Cre0.807195Cho/NAA0.619962
Voxel #19GaussianCho/Cre0.839769Cho/NAA0.611889
Metabolite Ratios by Gaussian function
Voxel #20GaussianCho/Cre0.815158Cho/NAA0.617085
Voxel #21GaussianCho/Cre0.691482Cho/NAA0.592537
Voxel #22GaussianCho/Cre0.808174Cho/NAA0.48208
Voxel #23GaussianCho/Cre0.842664Cho/NAA0.615965
Metabolite Ratios by Gaussian function
Voxel #24GaussianCho/Cre0.80954Cho/NAA0.616462
Voxel #25GaussianCho/Cre0.824471Cho/NAA0.620819
Voxel #26GaussianCho/Cre0.812873Cho/NAA0.593714
Voxel #27GaussianCho/Cre0.764973Cho/NAA0.614783
Metabolite Ratios by Gaussian function
Voxel #28GaussianCho/Cre0.693088Cho/NAA0-643046
Voxel #29GaussianCho/Cre0.820805Cho/NAA0.541781
Voxel #30GaussianCho/Cre0.863645Cho/NAA0.615628
Voxel #31GaussianCho/Cre0.822132Cho/NAA0.615398
Metabolite Ratios by Gaussian function
Voxel #32GaussianCho/Cre0.863442Cho/NAA0.64706
Voxel #33GaussianCho/Cre0.829424Cho/NAA0.630388
Voxel #34GaussianCho/Cre0.826255Cho/NAA0.64566
Voxel #35GaussianCho/Cre0.838811Cho/NAA0.755696
Metabolite Ratios by Gaussian function
Voxel #36GaussianCho/Cre0.813257Cho/NAA0.524243
Voxel #37GaussianCho/Cre0.883596Cho/NAA0.565531
Voxel #38GaussianCho/Cre0.895173Cho/NAA0.661893
Voxel #39GaussianCho/Cre0.915392Cho/NAA0.724875
Metabolite Ratios by Gaussian function
Voxel #40GaussianCho/Cre0.933848Cho/NAA0.707293
Voxel #41GaussianCho/Cre0.877934Cho/NAA0.739058
Voxel #42GaussianCho/Cre0.89324Cho/NAA0.83322
Voxel #43GaussianCho/Cre0.620034Cho/NAA0.399859
Metabolite Ratios by Gaussian function
Voxel #44GaussianCho/Cre0.77063Cho/NAA0.522992
Voxel #45GaussianCho/Cre0.77063Cho/NAA0.529867
Voxel #46GaussianCho/Cre0.92655Cho/NAA0.663082
Voxel #47GaussianCho/Cre0.903481Cho/NAA0.627585
Metabolite Ratios by Gaussian function
Voxel #48GaussianCho/Cre0.879797Cho/NAA0.644314
Voxel #49GaussianCho/Cre0.659546Cho/NAA0.601717
Conclusion:All the data reveals that the Gaussian Function is the best fit for MagneticResonance Spectroscopy.Suggestions are welcome