Doctor insights on:
Ct Scan Radiation Dose
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
Low: The technicians know how to properly control the radiation levels that you would be receiving. ...Read more
How much radiation dose am i risking with a bilateral hip and pelvic CT scan? Should mention do not know if prob is coming from hip for sure
Low risk: Risk from one ct is low. You likely receive an equivalent radiation dose from the environment in a year. If it is not certainly a bone lesion, and may be related to the cartilage, a tendon, or a muscle, MRI may provide more information than a ct. If you haven't already seen a specialist (sports med md, ortho), that may be a better option to make sure you're getting the appropriate tests. ...Read moreSee 1 more doctor answer
How long does it takes to get radiation induced cancer? Should i worry after 5 to 10 years as i had on chest CT scan month ago with 4.8msv dose?
May not even happen: The average ct scan in the us exposes us anywhere between 3 and 10 msv. A dose of 10 msv increases the risk of getting any cancer by 0.1% and the risk of fatal cancer by 0.05%. According to the national research council and the U.S. Fda, any person has a 20% risk of dying from cancer in their lifetime. One ct scan of 10msv would increase the chance to 20.05%. Not a big risk. Don't worry too much. ...Read moreSee 1 more doctor answer
Should i risk the radiation dose of a hip CT scan due to left hip dysplasia that has not manifested as pain yet but stiffness and movement problems?
While: You are in the scanner and the images are being taken you are receiving a relatively small dose of radiation. Often this is less than a minute depending on what is being scanned. ...Read more
Too much?: "too much" is a relative term. Basically no. If you have a medical condition, ie cancer that is being monitored by ct then the benefits outweigh the risks. If you are getting a ct for no reason then the risks (small but finite) outweigh the benefits. Any medical procedure is not a binary state. There is a continuum of risks and benefits. ...Read more
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
This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more
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