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neurology

I have copies of my ct and mri tests and i am not sure what some of this stuff means on the ct it says There is slightly delayed phase of CT anigiogram with presence of venous contamination. And on the mri it says There are two tiny left frontal subcortical foci t2/ir hypertintense white matter signal abnormality which are nonspecific and have no mass effect. If anyone knows what those me it would be great, i do suffer from migraines and my doctor said thats what the mri showed, but the ct i didnt hear about that
Thanks
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my dr told me my ct was normal so do you think its nothing serious i just saw the report and its weird and i do get pressure in the right side of my head on and off and cant figure out why
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MEDICAL PROFESSIONAL
Hi and welcome to the medhelp forum. The CT angiogram of the head takes pictures of blood flow in the blood vessels of head and neck, enhanced with a dye and photographed with fluoroscopy. Normally the dye flow is even through the blood vessels and any delay could be suggestive of an obstruction, possibly any atheromathous plaque or rarely tumor. Venous contamination may mean a point of weakness or give way and needs immediate attention. MRI brain presents normal myelin as hypointense to gray matter on T2 weighted images and hyperintense on T1 weighted images. Diseases which reduce the myelin content like demyelinating diseases, the white matter takes up more water which delays T1 and T2 relaxation times, hence more signal on T2weighted and less on T1 weighted images. these changes are non specific and could be a sign of ageing, chronic ischemia due to atherosclerosis or hyperlipidemia, hypertension, hypotension, cardiac illness causing reduced oxygenation etc. these need clinical evaluation and correlation. Migraines are also associated with these findings esp. since you have them. Consult your neurologist for neurological evaluation. Best wishes and cheers.
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