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Doctor insights on: Abdomen Ct Scan

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Is contrast mandatory for abdomen CT scan?

Is contrast mandatory for abdomen CT scan?

No: Iv contrast is often not used when the ct is for the purpose of looking for renal stones and in people with a history of contrast allergy or renal disease. It is often helpful in assessing persons with nonspecific abdominal symptoms as it will better show areas of inflammation, infection, and tumor. ...Read more

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Dr. Katharine Cox
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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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Gallbladder removed 1 yr ago. When i got gas hurts right where gallbladder was. Hurts all the time. Had ok abdomen CT scan. What can it be?

Gallbladder removed 1 yr ago. When i got gas hurts right where gallbladder was. Hurts all the time. Had ok abdomen CT scan. What can it be?

Distention: If your gb was removed due to malfunction, as opposed to pain due to gallstones, there's a small percentage of patients who have persistent symptoms - this is due to a less than perfect diagnosis.You could be having pain due to gaseous distention of the colon, which will be worse in the right colon as opposed to other areas. I suggest you have your liver functions checked, too. Good luck. ...Read more

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I was not given a kidney function test before an abdomen CT scan last Wednesday. Now, my left lower back hurts...should I be concerned?

Yes and no: It is unlikely that your pain is related to contrast induced nephropathy. However, if you are concerned, then you should ask your doctor to do renal function tests. Either way, if your pain persists, I would see your doctor. ...Read more

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Woried abdomen CT scan may have missed any defects I may have with colon because colon was full of stool (needed to empty bowel but couldn't).

Woried abdomen CT scan may have missed any defects I may have with colon because colon was full of stool (needed to empty bowel but couldn't).

CT likely adequate: The radiologist who read your CT was likely able to see everything that is possible to see on a CT even with stool in your bowel. CT can not see small defects in the bowel wall, and often can miss polyps even with an empty colon. If you did not receive a diagnosis from the CT, and are having bowel problems, I would recommend consulting with a gastroenterologist for a colonoscopy. ...Read more

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I have swelling in my lower right abdomen. Ct scan showed constipation a week ago, but abdomen is still swollen?

I have swelling in my lower right abdomen. Ct scan showed constipation a week ago, but abdomen is still swollen?

Follow up with PCP: It is always important to treat the symptoms and patient, not the imaging. If symptoms persist, you should be re-evaluated by your PCP. ...Read more

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How many chest and abdomen CT scans before I start worrying about radiation causing cancer?

How many chest and abdomen CT scans before I start worrying about radiation causing cancer?

Radiation exposure: From ct's has been under-appreciated, now over-blown in importance. It is a major issues for populations, and trivial for an individual. You should never get an x-ray of any kind that you do not need. X-rays are carcinogens, but very poor ones. A ct scan has 10-100 times exposure of a chest x-ray. Get the imaging that you need; don't over do it. Don't worry. (mr & u/s = 0 x-ray exp). ...Read more

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Dr. Michael Korona
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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