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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. Milroy Samuel
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? I'm 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? I'm 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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Had 2 CT head scans without contrast in 2 months. 29 yo. Could this cause thyroid cancer? Is thyroid exposed during scan? Tech said no. Beg to differ.

Had 2 CT head scans without contrast in 2 months. 29 yo. Could this cause thyroid cancer? Is thyroid exposed during scan? Tech said no. Beg to differ.

No worries: A couple of head CT scans does not cause brain cancer, eye cancer, nose cancer, throat cancer, ear cancer, neck cancer, thyroid cancer, or any other cancer. No worries. That said, a head CT is sometimes used to look for a cancer tumor. That means although a head CT does not cause cancer, the scan can cause you to find the cancer you were looking for, if you were suspecting and looking for a tumor. ...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?

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

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I need help understanding my head CT-scan reports?

I need help understanding my head CT-scan reports?

If you have: A specific question about the report that can be answered briefly, you can post it here. If it is more extensive, please feel free to schedule a consultation. ...Read more

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What can be diagnosed with head CT scan?

What can be diagnosed with head CT scan?

Hemorhage: This test is very sensitive at detecting blood leaking into the brain. Many other things may also be found such as stroke, tumor, anomalies, sinusitis. ...Read more

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What does a head CT scan cost in se asia?

What country: First what country, low cost means nothing in health care delivery system dynamics, for example in india you can get head ct for $ 15 if stranded in a remote area one may not be able to reach for it. ...Read more

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What is the average cost for a head CT scan without insurance?

Shop around.: Depending or not if contrast is used, it could range from a few hundred (300) to a thousand plus. If you're fortunate enough to live in a location with various imaging centers - just call them. And ask them for their "cash price". Unfortunately, there's not good transparency in prices for medical care, but with enough work you can get some comparison prices. Good luck! ...Read more

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I am having a head CT scan, what can they see about the nerves?

Little: Ct scans of the head show the brain- not the nerves.
Sometimes you can see a few of the cranial nerves.
The purpose of the ct scan is to see the brain for diseases within the brain tissue. ...Read more

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How dangerous is a head CT scan for 2 months old baby?

How dangerous is a head CT scan for 2 months old baby?

Not dangerous: Much less dangerous than any of the reasons that the ct is being ordered for in the first place. ...Read more

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What does a head CT scan rule out, if you fell and hit your head?

Fracture or bleed: A non contrast head ct is indicated if there has been significant trauma to the head to rule out bleeding around or within the brain. It will also identify fractures of the skull that would be missed on a regular x-ray. ...Read more

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Could they inject you with something when you get a head CT scan?

Possibly: Ct scan of the head can be done either with or without contrast injection. It depends of what your symptoms are and what the doctor that ordered the ct scan is looking for. ...Read more

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Can you tell me how dangerous is head CT scan for 2 months old baby?

Can you tell me how dangerous is head CT scan for 2 months old baby?

Risk vs. Benefit: It all comes down to risk versus benefit. Speak to your doctor. Radiation for infants and children are to be kept "alarp" (as low as reasonably possible). Make sure the study is done at a center or hospital where pediatric radiology is normally performed. You can also speak to the pediatric radiologist at that center to feel more comfortable with the exam for your child. ...Read more

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Yesterday had my first head CT scan test. I am afraid because my friend told me that it can cause tumor. If this possible only for one time...?

Radiology radiation: Radiation that can cause cancer in general is cumulative and not episodic like your question. Getting one ct scan is not likely to cause you any trouble. ...Read more

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Recent (2 days ago) hard hit to the head. Ct scan clear. Getting sharpish pain in a few isolated spots in my head that comes and goes. Major issue?

Recent (2 days ago) hard hit to the head. Ct scan clear. Getting sharpish pain in a few isolated spots in my head that comes and goes. Major issue?

Monitor closely: The sharp pains at the site of head trauma may be due to mechanical injury to the skull and scalp tissue damage. If your symptoms don't resolve, get worse, or if you have any new neurological deficits, then see your physician immediately. Http://www. Brainline. Org/content/2008/12/headaches-after-head-injuries-8212-post-traumatic-headaches. Html ...Read more

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Please tell me can single head CT scan lead to cancer?

Please tell me can single head CT scan lead to cancer?

Not likley: With the rare exception of people with extreme gentic susceptibility, it is extremely unlikely that a single head ct would cause cancer. If you are so concerned, disucss, getting an MRI rather than a ct, with your doctor. ...Read more

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Do they inject you with a dye when you get a head CT scan?

It depends: What your doctor is looking for. Most head ct scans are done without dye. ...Read more

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What are the chance of my 13 month getting cancer due to head CT scan?

Take it easy: The chance that your 13 month old baby may get cancer after a ct-scan is extremely low. ...Read more

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What is the risk for cancer from single head CT scan if CT scan is done on baby?

What is the risk for cancer from single head CT scan if CT scan is done on baby?

Probably less than1%: First, benefits must outweigh risks when a ct is considered for a baby. Low dose rt from imaging is very relevant in current news. Ct head prob gave <10 to 50 mgy with then cancer induction risks estimated to be <1%. ...Read more

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I read head ct scan cause cancer is that true? And when should the cancer appear if I did it about 8 years ago I'm 21 now

I read head ct scan cause cancer is that true? And when should the cancer appear if I did it about 8 years ago I'm 21 now

CT cancer: All radiation is a risk factor for cancer. Including walking in the sun. It is impossible to answer your question in an individual. Risk is cumulative the more x-rays (or sun) the greater the risk. Would worry about other things. ...Read more

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I did head ct scan at age of 12 can it cause cancer?

No: That is rubbish. The amount of radiation in a CT scan is about equal to the extra cosmic radiation you would get from a vacation in Denver. You need to stop reading scare stuff by crooks on the internet. ...Read more

Dr. Michael Gabor
1,885 Doctors shared insights

Ct Scan (Definition)

Computed tomography (ct scan) or computed axial tomography (cat scan), is a medical imaging procedure that utilizes computer-processed x-rays to produce tomographic images or 'slices' of specific ...Read more