Why isn't Dual-phase CT used for brain imaging?

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What is the reason for different apperance of glioma tumors on T1-Pre contrast MRIs?

I have T1-pre contrast MR images for three patients with gliomas however the tumors in the first patient looks darker while the tumors in two other patients look brighter. I wonder why? Can anyone...

03 April 2019 809 1 View

What are the safe doses of external beam and SR radiotherapies for brain tumors?

Hello I am new to radiotherapy modeling and I've gotten two questions. What are the safe dose of external beam radiotherapy for brain tumors (Gliomas)? What are the safe dose of external beam SRT...

10 November 2017 1,831 5 View

Blood signal range on different MR modalities

Hello I need to find the range for blood signal on T1 pre, T1 post and PD MRIs. Does any one know about these ranges or any reference that I can use to find the range? (my study site is brain so I...

07 August 2017 8,631 0 View

How to find dimentions of a dicom image in mm?

Hello I am working on DICOM images with resolution of 122.109!(according to dicom header) I also have the following info from dicominfo in MATLAB: Width: 256 Height: 256 BitDepth: 16 How can I...

07 August 2017 878 7 View

How much is the amount of energy to create one cell in human body

I am looking for the answers to the following question. Any help is appreciated. 1- How much energy is required to create a cell in body? I searched a lot but I couldn't find any reference. 2-How...

05 June 2017 4,294 4 View

Why aren't my for loops executed in MATLAB?!!

I am trying to write a genetic algorithm code for my optimization problem, but when I run the code for loops are not executed! I don't get the reason. Any help would be appreciated. part of my...

04 May 2017 6,207 3 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Stanko Belina

For brain imaging MR is the best chois & it is more usefull than CT brain imaging.

Yueh Z Lee

Generally, the washout characteristics of lesions is less useful for brain imaging as compared to the other organs.

Moritz Brehmer

There are nearly no indications left for contrast media in Brain CT, therefore..