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A member asked:
Had head ct scan with and w/o contrast. findings say all normal but possible small arachnoid cyst in anteromedial left frontal lobe. had mri w/o contrast 18 months ago with no mentions. could this have been missed? is this early brain cancer?
2 doctors weighed in across 2 answers
An arachnoid cyst is NOT cancer and is usually very benign. Unless it is enlarging, leave it alone
Answered 10/7/2021
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People also searched for:
Worried - Brain MRI w/out contrast 18 mo ago did not mention anything but recent CT w/contrast says possible small arachnoid cyst in anteriomedial frontal lobe. Could this be a tumor that grew since then?
Is it possible for a 10 mm thick arachnoid cyst to be compressing the brain in the "left paretal frontal lobe region" How can a cyst be measured 18 * 30 mm (MRI) one year ago and no compression vs. 10 mm CT now with compression. Technique is MRI bett?
Did a mri non contrast and a ct contrast about 8 months apart both normal except for arachnoid cyst small in left parietal lobe. CT says 10mm thick and discrete mass effect but the mri did not just said 30mm by 18 mm arachnoid cyst? Indicates growth?
My neuro says he is sure there is slight compression of an arachnoid cyst that is 30mm by 18mm left parietal lobe, how can he tell? My mri mentioned just the size but a ct mentioned discrete mass effect 8 months later, does this mean growth?
Can brain cancer be misinterpreted as an arachnoid cyst on a CT scan w/ and w/out contrast?
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