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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are CT Scans Using Contrast Dyes More Effective In Diagnosing Tumours?

What I wanted to know I had a CT Scan did with no dye of my head and it showed 2 lessions on it . What I wanted to know if they do a MRI or whatever with the dye will they know if it is anything to worry about or not . That it may be something that was on there since childhood will they know the difference in what they see in a xray ?
Sat, 26 May 2018
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Neurologist, Surgical,  's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

You have undergone a CT scan and it is showing lessons in it but we don't know whether these lessons are infective, malignant (tumor), reactionary or simply gliosis. To define a soft lesion well,you need an MRI. Contrast helps to delineate the lesion well and gives knowledge about it's vascularity, whether tumor will bleed more intraoperatively and other tumoral characteristics. Regarding risks involved, some persons may be allergic to dye and these dyes may be toxic to kidney. So before going through the procedure, you shouldn't have any history of allergic reaction to any drugs and get your kidney function tests done.

Hope my answer would be helpful to you.
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Are CT Scans Using Contrast Dyes More Effective In Diagnosing Tumours?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. You have undergone a CT scan and it is showing lessons in it but we don t know whether these lessons are infective, malignant (tumor), reactionary or simply gliosis. To define a soft lesion well,you need an MRI. Contrast helps to delineate the lesion well and gives knowledge about it s vascularity, whether tumor will bleed more intraoperatively and other tumoral characteristics. Regarding risks involved, some persons may be allergic to dye and these dyes may be toxic to kidney. So before going through the procedure, you shouldn t have any history of allergic reaction to any drugs and get your kidney function tests done. Hope my answer would be helpful to you.