Do CT scans see brain tumors?

They can. The diagnostic yield of increased with use of IV contrast material as some tumors disrupt the so called blood brain barrier affording the contrast the ability to infiltrate from the blood stream into the tumor. Small tumors that have not disrupted the integrity of blood vessels may escape detection on CT especially if the have the same radiographic tissue density as their surrounding tissue.

Related Questions

What kind/size of brain tumors are not seen on CT scans? Why can't they be seen? If they are small are they benign?

Many kinds. Ct exam of brain involves x-rays and for tumor detetion must have intravenous contrast injection.Some tumors are not seen, not vascular. Some tuingmors have the same density as the surround brain.Very small tumors are difficult to detect.Size is not always criteria for being benign. Certainly if no size change on subsequent scan a month or so later would suggest benign mr most sensitive for tumor. Read more...

I have had two head/brain CT scans, can that cause brain tumor?

highly unlikely. It is highly unlikely that the amount of radiation that you were exposed to during 2 ct scans will have any harmful effect at all. http://www.news-medical.net/news/20130531/mayo-clinic-experts-provide-some-insight-about-radiation-dose-from-ct-imaging.aspx. Read more...
Not likely. While in theory any radiation might cause a tumor, the amount of radiation in a diagnostic ct scan is highly unlikely to lead to a brain tumor. Read more...

Is it really dangerous to have 2 CT scans of head 5 and a half months apart? Will it cause brain tumor like some people say?

Safe. This is well within the safe dose of radiation exposure. It is important to remember that time does not reduce the risks of exposure to more radiation. In otherwords, radiation exposure doesn't "wear off", and is cumulative over your lifetime. Best way to think about it is if the ct scan is really necessary, do it. If if not really necessary, hold off. Discuss this with your doctor to find out. Read more...

Do CT scans spot all kinds of brain tumors and brain cancer?

Good question. Ct scan with contrast are quite sensitive to lesions about ).5-1cm in diameter. Mri brain +/- contrast is even more sensitive. Read more...

Had a cat scan on head will this now cause a brain tumor one day?

No. You are no more risk for brain tumor now than you were before you had the CAT scan. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Drink enough water daily so that your urine is mostly colorless. Practice safe sex. Get HPV vaccine. Read more...