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Doctor insights on: Ct Scan Of Head Without Contrast

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What does CT scan of head without contrast show?

What does CT scan of head without contrast show?

Many things.: It can detect many conditions. Ct is particulaly good at detecting bleeding in the acute setting and hydrocephalus, and some masses. It's not nearly as good as MRI for looking at small structures and white matter disease. Both ct and MRI are usually more sensetive and specific when contrast is given. ...Read more

Dr. Zahid Niazi
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


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Is it possible for a CT scan of the head *without* contrast to show an unruptured brain aneurysm?

Is it possible for a CT scan of the head *without* contrast to show an unruptured brain aneurysm?

It is: possible, but not probable. The aneurysm would have to be relatively large, and even then the noncontrast appearance may not be specific. ...Read more

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Can a CT scan of the head without contrast dye detect brain aneurysms?

Can a CT scan of the head without contrast dye detect brain aneurysms?

Yes: While plain ct scan is not the best test for aneurysm, large aneurysms can potentially be spotted. Mri is a better test, especially when blood vessels are looked at as well. ...Read more

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Can a non contrast head CT scan miss anything?

Can a non contrast head CT scan miss anything?

Yes: A ct scan with IV contrast will be more sensitive for detecting lesions than a non-contrast ct, and an MRI with contrast is even better than a ct scan. ...Read more

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Does the head CT scan with and without contrast i got affect my ability to have children in future ?Does it mean that i can't marry now ? Im only 26yr

Does the head CT scan with and without contrast i got affect my ability to have children in future ?Does it mean that i can't marry now ? Im only 26yr

No Worries: The radiation from 1 head ct does not measurably increase your risk of cancer in the future. The radiation was no where near your testicles, and even if it was, there is no measurable risk for birth defects in children. Finally, the contrast was eliminated from your body within 24 hours, assuming no kidney problems. ...Read more

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If a head CT scan with and without contrast ruled out brain tumor can I be sure that i don't have a brain tumor?

If a head CT scan with and without contrast ruled out brain tumor can I be sure that i don't have a brain tumor?

Why do you worry?: Cat scan is adequate to demonstrate even a modest size lesion, and seems reassuring. Yet, you remain focused and perhaps doubtful. Urge you contact a counselor and explore the underlying causes of your persistent concerns. Actually brain tumors are quite uncommon. ...Read more

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I been sneezing alot, head pressure when i bend down and dizzness/ my head feels heavy. Had head CT scan no contrast recently, no problems. Any ideas?

I been sneezing alot, head pressure when i bend down and dizzness/ my head feels heavy. Had head CT scan no contrast recently, no problems. Any ideas?

Allergy symptoms: It sounds like you may be experiencing seasonal allergy symptoms. Start by seeing your regular doctor to begin some symptom control. Consider allergy testing to find out what specific allergens you are reacting to. ...Read more

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How dangerous is head CT scan?

How dangerous is head CT scan?

Go to: Acr accredited scanner to be safest. Only small risk. See radiologyinfo.Org. ...Read more

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What is the average cost for a head CT scan?

Depends: Ct;s used to cost around $1000. Many ct's today are much less expensive- some can be performed for around $300-500. ...Read more

Dr. Michael Korona
1,787 doctors shared insights

Ct Scan (Definition)

Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more