A 21-year-old female asked:
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would a ct scan without contrast show a brain tumor or evidence one was there? what are the chances it won't? doc not concerned but my anxiety is :/

2 doctor answers
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 contrast, and if symptoms persist brain mri.
Answered on Dec 17, 2016
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Dr. Harry Zegel
49 years experience Radiology
See long answer: Ct without contrast is largely indicated for acute hemorrhage or infarcts. It may not show more subtle tumors. Mri with contrast is much more sensitive in the correct clinical situation. Talk to your dr. To see if further imaging evaluation is appropriate.
Answered on Jun 8, 2015
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5 thanks

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A 21-year-old female asked:
Dr. Lauren Stegman
26 years experience Radiation Oncology
Fitst step: A ct is often the first step to check the brain because it is quicker and much cheaper than an MRI and easier on the patient in terms of claustrophobi ... Read More
3
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A 21-year-old female asked:
Dr. Harry Zegel
49 years experience Radiology
Not best examination: Non contrast head cts are best for detecting acute hemorrhage (blood) or possibly infarcts. Brain tumors, especially if small, can be subtle. If this ... Read More
A 20-year-old male asked:
Dr. Sewa Legha
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Very remote: CT scan will pick up a brain tumor easily although it is not the best test for small(tiny) tumors. But then you would not have any symptoms from a sma ... Read More
1
1 thank
A 21-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Not due to what you: Described. Head trauma and cts do not measurably increase the incidence of brain cancer.
1
1 thank

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