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Doctor insights on: Test Ct Scan

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Dr. Cornelius O'leary jr
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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I had microscopic hematuria. Blood test, CT scan, ultra sound results came back normal. Urinalysis at the second time showed no blood. What can cause this?

I had microscopic hematuria. Blood test, CT scan, ultra sound results came back normal. Urinalysis at the second time showed no blood. What can cause this?

See below: There are many causes of small amount of blood in urine, including vigorous exercise. Your investigation suggests that you need not be concerned. You may consult this site for info: http://www. Webmd. Com/digestive-disorders/blood-in-urine-causes#1
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. Drink enough water daily, so that your urine is mostly colorless. 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.
Practice safe sex, if you have sex.
Get HPV vaccine ...Read more

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I have constant dizziness/vertigo/imbalance, r ear pain, nausea after 10 flights. I had abnormal vemp test & CT scan showing extremely thin bone on my superior sc canal. Can this cause my symptoms?

I have constant dizziness/vertigo/imbalance, r ear pain, nausea after 10 flights. I had abnormal vemp test & CT scan showing extremely thin bone on my superior sc canal. Can this cause my symptoms?

Yes: This sounds like superior semicircular canal dehiscence syndrome. For the affected ear, you can often can hear your eyes moving in your head or internal noises like creaking joints, or your heartbeat-called autophony. You can be sensitive to loud sounds. Certainly vertigo is possible. You need discuss with your doctor about whether surgery is advised. It can solve the problem quite effectively. ...Read more

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+ PPD test, CT scan solitary pulmonary nodule. 5mos after nodule stable/slight increase pet2.9suv bronchoscopy inflammatory no cough doc said remov?

+ PPD test, CT scan solitary pulmonary nodule. 5mos after nodule stable/slight increase pet2.9suv bronchoscopy inflammatory no cough doc said remov?

Curious: More information is required. The pet uptake (measured in standard uptake value or suv), is low level, but not low enough to guarantee benignity. Given age and + ppd, I would suspect this could be an active granuloma.

Given your age, I would encourage consultation with a pulmonologist and full review of all your records first. Lung surgery is serious business. ...Read more

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My d dimer level was. 63 is this too high? Vq test and CT scan came back normal. Do I have to worry? I stopped smoking after the tests immediately

My d dimer level was. 63 is this too high? Vq test and CT scan came back normal. Do I have to worry? I stopped smoking after the tests immediately

See your doctor: And get a repeat d-dimer. It is a very sensitive test, but is more valuable when it is low, because many things besides blood clot and make it increase.

Negative VQ and (presumably) ct angio of the pulmonary arteries essentially excluded pulmonary embolism, or clot in the lung blood vessels.

Please see your doctor to get a complete checkup. ...Read more

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I've had many blood test and CT scan I have no tumorsa and nothing wrong with my arteries in my body what could cause weird sensation in my face?

I've had many blood test and CT scan I have no tumorsa and nothing wrong with my arteries in my body what could cause weird sensation in my face?

Keep looking: You have a weird sensation in your face. You have had multiple test including ct scan and blood work. If you have already tried u. Iowa then try mayo clinic. It may require more testing but it obviously bothers you enough. Your doctors will look for chemical and physical abnormalities to explain this. ...Read more

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I had a severe case of pneumonia. I still have some left but not a lot. They ran blood test and CT scan on chest I keep having fevers. Is that normal?

I had a severe case of pneumonia. I still have some left but not a lot. They ran blood test and CT scan on chest I keep having fevers. Is that normal?

Not normal: Definitely not normal. Among possibilities, complicated pneumonia/ pneumonitis of a different etiology/ different concomitant condition, related or not to pneumonia. Treatment failure/ drug fever are also commonly encountered in practice. ...Read more

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Is blood in urine 7mm3 worrisome for a 65 years old woman? Urine test, culture, CT scan of bladder, all came out negative. Wha t else could it be?

Is blood in urine 7mm3 worrisome for a 65 years old woman? Urine test, culture, CT scan of bladder, all came out negative. Wha t else could it be?

Hematuria: The work up should inculde a Urinalysis with C&S, CT Urogram (to assess the whole collecting system including the kidneys and ureters and bladder and Urethra), and finally a Cystoscopy which will asses the superior aspect of the Bladder that may not be completely visualized on the CT Urogram. If all these tests come back normal, may be simple irritation of the urethra or somewhere else to monitor. ...Read more

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Could you tell me why I need a blood test before a CT scan?

Could you tell me why I need a blood test before a CT scan?

To check: Kidney function before you recieve x-ray contrast. See radiologyinfo. Org for more info. ...Read more

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What would cause an elevated lipase test, but normal CT scan of pancreas?

What would cause an elevated lipase test, but normal CT scan of pancreas?

Mild and transient: Mild and transient pancreatitis. It can resolve quickly, m particualrly if mild. The ct scan was probably obtained to make sure you did not have cancer of that organ, which is a terrible disease. Be glad that the ct was normal. ...Read more

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My health anxiety over my heart won't diminish can I once and for all ask for a stress test and or CT scan so I can move on?

My health anxiety over my heart won't diminish can I once and for all ask for a stress test and or CT scan so I can move on?

You can't always get: You can't always get what you want, but you can ask for it - and, if you try, sometimes you'll get what you need. A CBT therapist specializing in health can teach you skills to handle this better and learn to trust the findings of appropriate tests. Best wishes! ...Read more

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A friend has been told they have colon cancer, diagnosed via a tumour marker blood test, high cea, CT scan showed contained mass. Is this conclusive?

A friend has been told they have colon cancer, diagnosed via a tumour marker blood test, high cea, CT scan showed contained mass. Is this conclusive?

No, but...: But very suspicious for colon cancer. If your friend is similar in age to yourself a mass in the colon on ct scan is cancer until proven otherwise. And CEA levels can go up for other reasons but, given the mass, they would strongly favor cancer. But to answer your question "no"... They are not definitive. You would need a piece of the mass under a microscope to prove definitively its cancer. ...Read more

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I have had low iron and hemigloban. After blood test, stool sample, CT scan, and ultra sound, no reason found. Any ideas?

I have had low iron and hemigloban. After blood test, stool sample, CT scan, and ultra sound, no reason found. Any ideas?

Gastroenterologist: If the above tests are normal, you should see a gastroenterologist to examine the digestive tract for a cause of the anemia. This is very important and can be life-saving--don't avoid it! Good luck. ...Read more

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Raised d dimer test (300) had ct scan on chest, chest xray and CBT and came back fine. I have a ovarian endometrioma (5cm) could the cyst b cancerous?

Raised d dimer test (300) had ct scan on chest, chest xray and CBT and came back fine. I have a ovarian endometrioma (5cm) could the cyst b cancerous?

Not overly likely: Can't say for sure. Probably a better test in this case would be a CA-125, which might be mildly elevated with endometrioma, but much higher with cancer. ...Read more

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Positive PPD test, x-ray, CT scan shows solitary pulmonary nodule. 5 mos after nodule stable/slight increase. Doc said to remove. No cough not smoking?

Positive PPD test, x-ray, CT scan shows solitary pulmonary nodule. 5 mos after nodule stable/slight increase. Doc said to remove. No cough not smoking?

Depends: Ppd positive, work-up details (quantiferon assay?), characteristics on chest x-ray, on ct-scan and/or treatment would be important. Depending complete work-up, risk factors, size, rate of growth/increase in size, etc. Location may be amenable to tran-sthoracic ct-biopsy or bronchoscopy transbronchial biopsy (flouro guided, inreach/em-nav guided, or ultrasound guided). ...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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Can the doctor or radiolegist find CAD during cardiac CT scan test?

Can the doctor or radiolegist find CAD during cardiac CT scan test?

See answer: 2 two types of “cardiac ct exams”. The coronary calcium score is done without iodine contrast and identifies coronary vascular calcifications – which correlate with coronary atherosclerotic disease. The cardiac cta is done with iodine contrast and identifies the coronary vessel lumen allowing more accurate vascular delineation. Your dr. Can advise which is most appropriate for you. ...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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My 11 months nephew had seizures. His EEG test came out normal, CT scan result reports he has mild cerebral and cerebellar atrophy, how it happened?

My 11 months nephew had seizures. His EEG test came out normal, CT scan result reports he has mild cerebral and cerebellar atrophy, how it happened?

About EEG, seizure: If there is atrophy (means smaller than normal) please see a pediatric neurologist. Eeg's can be normal in the context of seizures for many reasons. If they are abnormal, they are often helpful, but treating your nephew clinically is most important, and eeg's are a first step to diagnosis with prolonged studies or other types of eeg's as a next step. ...Read more

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Couldn't breath & pain in left arm- all test came back neg- CT scan of lungs ekgs bloodwork- no heart attack per dr.- 24 hrs still having same issues?

Couldn't breath & pain in left arm- all test came back neg- CT scan of lungs ekgs bloodwork- no heart attack per dr.- 24 hrs still having same issues?

Cardiac workup: You may not have had a heart attack but still could be having heart pains due to a severely constricted coronary artery. Would talk to your docs about having a stress scan, or ct angiogram which can diagnose blockages that haven't yet caused a heart attack but are possibly causing your pains which may be warnings of an impending heart attack. ...Read more

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Lost 10lbs past year. Now 5'11", 165lbs. Blood test normal. Doc. Ordered ct-scan abs, pelvis, chest. Saw "temporal wasting." concerned about radiation?

Lost 10lbs past year. Now 5'11", 165lbs. Blood test normal. Doc. Ordered ct-scan abs, pelvis, chest. Saw "temporal wasting." concerned about radiation?

??: Sorry but I do not understand what the issue is //? Why was the ct ordered was this a non intended wt loss?

When I hear temporal wasting I think of a ct of head i.e. Temporal wasting of brain

certainly ct's do have a pretty good dose of radiation. ...Read more

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My dr says I have acute interstitial lung disease and wants to do a pulmonary function test and high resolution CT scan. What does all of this mean?

My dr says I have acute interstitial lung disease and wants to do a pulmonary function test and high resolution CT scan. What does all of this mean?

Not simple pneumonia: For a simple pneumonia, the initial x-rays can provide classical features and the doc can send you on your way with simple treatment. Interstitial lung disease requires a more involved evaluation because the potential causes are quite diverse. Differentiating a simple transient from a long term issue is important to identify a cause and course of treatment. ...Read more

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I have not had a period for two months, but the blood test and CT scan all came back negative. I have pregnancy symptoms what could this be?

Why a CT?: If the ct scan was of anything other than your brain I wonder what they were looking for? At your age I would not be suggesting a ct scan of the abdomen or pelvis unless it is targeted at a specific finding. Us or MRI would be a better choice in the diagnosis for the pelvis. ...Read more

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I have not had a period for two months, but the blood test and CT scan all came back negative. I have pregnancy symptoms what could this be?

I have not had a period for two months, but the blood test and CT scan all came back negative. I have pregnancy symptoms what could this be?

Not pregnancy: There are other hormonal conditions that can cause you to miss a period. If your blood pregnancy test is negative, there is no way you were pregnant when it was done. Taking progestin pills to get a period may solve the problem. ...Read more

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I feel pain in my abdomen in left side near the naval point. My all reports ultrasound, endoscopy, blood test, xray, CT scan and urine test normal.

I feel pain in my abdomen in left side near the naval point. My all reports ultrasound, endoscopy, blood test, xray, CT scan and urine test normal.

Don't give up!: The abdomen includes many organ systems (gi tract, liver/biliary/pancreas, renal/urologic, gynecologic, vascular, etc.)--any one of which can cause illness without severe discomfort or fever. You've been reassured so far by negative results, ; perhaps further testing will prove unremarkable. Could ibs or anxiety (listed in under your clinical conditions) be contributory? ...Read more

Dr. Michael Gabor
1,876 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


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