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does a ct scan show brain tumors

A 20-year-old female asked:
Dr. Arthur Heller
42 years experience Gastroenterology
No worry: Very unlikely you would have a brain tumor, and not have it show up on the tests you mention. Very unlikely it would develop since then.
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4 thanks
Dr. Eric Goodman
26 years experience Radiology
No worries: There is an extremely small chance of a tumor in the brain not seen on either MRI or ct.
11
11 thanks

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A 29-year-old female asked:
Dr. Alon Seifan
12 years experience Neurology
Yes: A ct scan will show brain tumors if they are large enough, have calcium or blood in them, or are causing swelling. On some occasions, contrast is nec ... Read More
1
1 thank
Dr. Abhineet Chowdhary
17 years experience Neurosurgery
Sometimes: Brain swelling, hemorrhage and mass effect can be noted on a head ct without contrast. Also, some tumors have calcification a which can be seen in a ... Read More
A 21-year-old female asked:
Dr. Jonathan Dissin
38 years experience Neurology
Small low grade mass: Some small low grade tumors that have not incited vasogenic edema could be missed on ct scanning. The addition of IV contrast would improve visualiza ... Read More
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1 thank
A 31-year-old member asked:
Dr. Alfred Parkhill Hand
20 years experience Radiology
MRI: Mri with and without contrast is more sensitive for detecting tumors that ct is.
A 36-year-old member asked:
Dr. Matthew Solhjem
20 years experience Radiation Oncology
Need more evaluation: It is very difficult to diagnose a brain tumor on a non-contrast ct scan. I would recommend getting a brain MRI with contrast (called gadolinium). M ... Read More
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1 thank
A 45-year-old member asked:
Dr. Enrique Wulff
44 years experience Neurology
No: Mri of the brain with gadolinium [contrst medium] may need to be performed... Before ruling out that you do not have brain tumor...
A 21-year-old female asked:
Dr. Lauren Stegman
26 years experience Radiation Oncology
Many: Many types of brain tumors do not show up on ct scans, especially if it was done without IV contrast because they can look the same as normal brain ti ... Read More
1
1 thank
A 21-year-old female asked:
Dr. Shams Sheikh
21 years experience Radiology
CT can miss tumors: Ct is good to check for mass effect, swelling, and shift. If there is a tumor, may only see mass effects. Best to screen for mass effect by ct w/o c ... Read More
3
3 thanks
A 20-year-old male asked:
Dr. Kevin Yoo
Dr. Kevin Yoo answered
27 years experience Neurosurgery
MRI: A MRI with contrast is sufficient to detect evidence of a brain tumor. If there is any question as to whether a brain tumor is present or not, one can ... Read More
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1 comment

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