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Doctor insights on: What Does A Normal Ct Scan Look Like

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What does a normal CT scan look like and how can u tell if there is abnormalities?

What does a normal CT scan look like and how can u tell if there is abnormalities?

Very broad question: Ct scans are interpreted by radiologists, specially trained doctors who spend many years learning how to identify abnormalities on medical imaging studies, including ct scans. The radiologist knows in great detail what the body is supposed to look like on a ct scan and searches systematically for anything out of the ordinary. Sometimes abnormalities are obvious, but they can be very subtle. ...Read more

Dr. Sheila Smith
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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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Does a normal CT scan exclude pancreatic cancer?

Does a normal CT scan exclude pancreatic cancer?

Not entirely: Ct imaging is useful, but pancreatic cancer can be very difficult to visualize on ct. In fact, even in patients with known pancreatic cancer it's not unheard of for the tumor itself to be poorly or incompletely seen. If there's high suspicion, endoscopy and ultrasound are useful tests. ...Read more

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What can be some causes of dull to sharp pains throughout the head? Had a normal CT scan.

What can be some causes of dull to sharp pains throughout the head? Had a normal CT scan.

Many possibilities: There are too many reasons for headaches to list here. Common causes based on your profile include 1) Chronic sinusitis, caused by allergies, intolerance to dairy and gluten, and smoking
2) excessive use of pain relievers, which can cause rebound daily headaches if taken regularly.
...Read more

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Can I develop a brain aneurysm just 6 months after a normal CT scan?

Can I develop a brain aneurysm just 6 months after a normal CT scan?

CT didn't show it: Most likely you had your aneurysm all along - the ct scan simply did not show it. Cts do not detect brain aneurysms for the most part. Only specialized tests do (cta, mra, dsa). Discuss with your neurosurgeon. ...Read more

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Will a normal CT scan show unruptured aneurysms I had bad headaches yesterday and went to the ER and had a cat scan done. I want to know if CT scan can detect unruptured aneurysms without dye.

Will a normal CT scan show unruptured aneurysms I had bad headaches yesterday and went to the ER and had a cat scan done. I want to know if CT scan can detect unruptured aneurysms without dye.

Head aches: An er visit and a normal non-contrast ct scan of your head for bad headache is reassuring. However reassuring, this is not the complete evaluation, especially if your headaches persist. The radiology team will recommend additional imaging, MRI or contrast ct scan, to look for aneurysms. This recommendation should be discussed with primary 1st, meds or neurology consult may come before imaging. ...Read more

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Had a normal CT scan of brain. What could be causing random really fast uncontrollable eye movements? They move left and right really fast then stop.

Had a normal CT scan of brain. What could be causing random really fast uncontrollable eye movements? They move left and right really fast then stop.

Nystagmus: The rapid eye movements are called nystagmus and are definitely not normal. As dr. Conrad said, just because you have a normal ct doesn't mean there is not a problem. An MRI will provide a more detailed image of the brain and may be able to identify a reason for your nystagmus. ...Read more

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Had a CT scan reading results I don't understand some of it. Like it says almost all of it says unremarkable what do as that mean? Incidental bilateral

Had a CT scan reading results I don't understand some of it. Like it says almost all of it says unremarkable what do as that mean? Incidental bilateral

CT report: Sorry, but you do not provide enough specific information. "almost all of it says unremarkable" means nothing of any significance to comment on, ie, normal. "incidental bilateral" means the reader saw something that was most likely unimportant but also not expected or requested to be looked for at the time of the initial request. Do speak to the doctor who ordered the scan. ...Read more

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CT scan indicates stroke. What would a TIA look like?

CT scan indicates stroke. What would a TIA look like?

TIA and CT scan: On a CT or MRI scan, the brain will appear normal if the diagnosis is TIA. TIA is a clinical diagnosis, tests only support this diagnosis by excluding alternative possibilities. ...Read more

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Pls advice of difference if any of the pet CT and normal CT scan, thanks?

Pls advice of difference if any of the pet CT and normal CT scan, thanks?

Big difference: I Pet/ct scans look at the METABOLIC activity of a disease (usually cancer) and use the CT scan for anatomical localization (to help pin point where in the body the disease is). CT scans only identify where the disease is located. PET scans tend to be more sensitive for detecting disease then CT scans (PET finds the disease earlier). CT scans with IV contrast show more details of the disease ...Read more

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I am having some pain around my naval. It hurts most if I move or anything touches it. I had a CT scan and it came back normal. What could cause this?

I am having some pain around my naval. It hurts most if I move or anything touches it. I had a CT scan and it came back normal. What could cause this?

Hernia: Sometimes it is difficult to see a small hernia on ct, that's one possibility. Symptoms like these are best determined by a thorough evaluation by your physician. Based on the findings, a treatment plan can be developed to help you. ...Read more

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What is the normal amount of mucus thickening in CT scan?

What is the normal amount of mucus thickening in CT scan?

Subjective: I assume you're referring to a head or sinus ct as this is the most common (but not only) study for which mucosal thickening is mentioned by radiologists. Strictly speaking, none would usually be normal. However, the use of this term and it's inclusion in reports is highly subjective and varies regionally. Your physician and or radiologist will know best if this is normal and or significant. ...Read more

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Is it normal to feel nausea after a CT scan?

Not uncommon...: It is not uncommon, particularly if intravenous contrast or oral contrast was administered. However, if the feeling happens every time intravenous contrast (used for ct scans commonly) was administered, then an allergic or adverse reaction may be occurring. ...Read more

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If I have CT scan and it was normal, do I need an ultrasound too?

OF WHAT? FOR WHAT?: Answer depends on what is being examined and what is being looked for. A normal ct of the chest would likely not provide information about the heart that an ultrasound could. A ct might miss some masses in the liver that an ultrasound could show and vice versa. ...Read more

Dr. Michael Gabor
1,869 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