A member asked:

Can brain cancer be misinterpreted as an arachnoid cyst on a ct scan w/ and w/out contrast?

Q: can brain cancer be misinterpreted as an arachnoid cyst on a ct scan w/ and w/out contrast?

: 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.

3 doctors weighed in across 2 answers

Dr. Timothy Kinsella answered

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.

Dr Machanic and another doctor agreed

Answered 10/7/2021

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Dr. Bennett Machanic answered

Highly unlikely and MRI will clear up any lingering aambiguity

Answered 10/7/2021

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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

Dr. Timothy Kinsella answered

Dr Machanic and another doctor agreed

Dr. Bennett Machanic answered

Related Questions

A member asked:

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?

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 member asked:

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?

A member asked:

Confused and worried: Why / how is it even possible that a MRI last year measures incidental arachnoid cyst to be 30 mm * 18 mm without compressing the brain, and this year a CT to measure 10 mm thick WITH compressing my brain?

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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