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A member asked:
Can brain cancer be misinterpreted as an arachnoid cyst on a ct scan w/ and w/out contrast?
3 doctors weighed in across 2 answers
Possibly yes but a follow-up brain MRI with contrast should clear up any confusion of the clinical diagnosis. An arachnoid cyst is a benign lesion.
Answered 10/7/2021
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Highly unlikely and MRI will clear up any lingering aambiguity
Answered 10/7/2021
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Related Questions
A member asked:
Arachnoid cyst found in CT. Was told this was common and typically found incidentally. Does this develop to cancer? Size of a quarter. Does it grow?
A doctor has provided 1 answer
A member asked:
I did a brain CT & it showed a frontal CSF hygromas & frontal arachnoid cyst. How serious are these findings I'm suffering from confusion, headaches ?
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People also searched for:
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?
How accurate are CT contrast in measuring size of arachnoid cyst / identifying compression of it on the brain?
What is better for seeing if an arachnoid cyst is compressing the brain mri non contrast vs ct contrast?
Confused / worried Last year did an MRI non contrast incidental arachnoid cyst found 30 mm * 18 mm without compressing brain, this year CT contrast for non-specific symptoms arachnoid cyst 10 mm "thick" and IS compressing brain? Is this growth or?
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?
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