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Doctor insights on: Ct Scan

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Dr. Michael Korona
1,690 doctors shared insights

Ct Scan (Overview)

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 it is an estimate.


Dr. Michael Korona
Board Certified, Interventional Radiology
27 years in practice
5M people helped
1

1
Does it hurt to get a CT or cat scan done?

No: Need labs and intravenous dye for some. See radiologyinfo.Org. ...Read more

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Dr. Arnon Rubin
Board Certified
18 years in practice
157K people helped
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Dr. Michael Korona
1,690 doctors shared insights

Ct Scan (Overview)

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 it is an estimate.


Dr. Steven Chmielewski
Board Certified, Diagnostic Radiology
24 years in practice
599K people helped
2

2
If I am now about to have my third CT scan in 3 months. Is that safe?

If I am now about to have my third CT scan in 3 months. Is that safe?

Risk vs. benefit: It likely won't cause any long term effects. Your doctor feels the radiation risk is less than the risk of not following up. ...Read more

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Dr. Arnon Rubin
Board Certified
18 years in practice
157K people helped
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Dr. John Munshower
Board Certified, Family Medicine
24 years in practice
93M people helped
3

3
I had a CT scan last thursday, its monday shouldn't i know something by now?

I had a CT scan last thursday, its monday shouldn't i know something by now?

Probably: Most likely the ct was read already. Depending on the ordering physician, some radiology sites may not be clinically integrated with the ordering docs electronic record and may mail them the results. In that case a simple phone call by the ordering office could get the results via phone or faxed to them. Call your dr's office and ask for the results. Best wishes. ...Read more

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Dr. Gerald Morris
Board Certified, Internal Medicine
8 years in practice
174K people helped
4

4
What does hypodensity on a CT scan mean?

What does hypodensity on a CT scan mean?

Radiology: The term Hypodense means that an area on thew CT is "less dense" when compared to surrounding tissues on the same scan. Usually the "hypodense" area is darker when compared to the surrounding tissues. ...Read more

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Dr. Arnon Rubin
Board Certified
18 years in practice
157K people helped
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Dr. Joshua Lawson
Board Certified, Radiation Oncology
1M people helped
5

5
Is a CT scan without contrast less accurate than one with contrast?

Is a CT scan without contrast less accurate than one with contrast?

Depends: This depends on why the scan is being done, or what question the scan is trying to answer. In many/most instances the addition of contrast will provide additional information but this isn't always needed. For example, a ct scan being done to evaluate for bleeding in the head after a fall etc would not require contrast. ...Read more

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Dr. Charles Rocamboli
Board Certified, Family Medicine
12 years in practice
1M people helped
6

6
Please see the CT scan report of my friend here at http://goo.Gl/mqb6o and tell me how long will she take (approx) to be fully conscious again?

Can't say: There is no way to tell how long a patient will be unconscious based on ct results. You just have to hope for the best. ...Read more

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Dr. Colin Kerr
Board Certified, Family Medicine
38 years in practice
19M people helped
7

7
Will taking a CT scan help determine if pe that was diagnosed in april 2012 has disappeared?

Not a great idea: If you had a pe in april but no longer have any symptoms, there is no need for a ct scan. Your body has a natural way of handling and dissolving clots. The point of hospital treatment is just to avoid short-term (first 7 days) recurrence or progression. Unnecessary ct scans should be avoided because of false positives (which trigger unnecessary tests) and because of high-dose ratiation -> cancer. ...Read more

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Dr. Michael Korona
Board Certified, Interventional Radiology
27 years in practice
5M people helped
8

8
Price of a CT scan?

Call: Hospital or imaging center and ask them their price. ...Read more

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Dr. Alfred Parkhill Hand
Board Certified, Radiology
15 years in practice
360K people helped
9

9
Could you explain what is getting a CT scan like?

Could you explain what is getting a CT scan like?

Pretty easy: As in the picture, you will lie on a table which will then slide you into and out of the scanner during the scan. The scanner loos kind of like a big donut. Not nearly as long and narrow as an MRI scanner. Depending on the scan you may be asked to drink barium oral contrast before the scan to opacify the bowel lumen. Also, you may or may not have IV contrast injected during the scan. ...Read more

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Dr. Alfred Parkhill Hand
Board Certified, Radiology
15 years in practice
360K people helped
10

10
Cost of CT scan without health insurance? Any options for me?

Cost of CT scan without health insurance? Any options for me?

Depending: Depending on the type of ct scan ordered, they can cost several thousand dollars. But the costs vary widely from place to place, so it would be good to shop around your area and ask each site what they charge for the scan you are considering. You would typically have 2 separate bills: one for the scan itself and a separate bill for the interpretation. The interpretation bill is much smaller. ...Read more

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Dr. Andrew Seibert
1 doctor shared a insight

Computed Tomography (Definition)

Computed tomography is also known as CT scan. 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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Dr. Arnon Rubin
Board Certified, Internal Medicine
18 years in practice
157K people helped
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