Doctor insights on:
What Does A Brain Ct Scan Show
Would a CT scan show cysts in the brain? If so, would a dr mention them if seen during a brain CT scan after a head injury from a car accident?
It would: Ct scans of the brain can provide detailed information about brain pathology, thus providing more information related to injuries and/or diseases of the brain. Findings could bleeding, brain injury and skull fractures in patients with head injuries. However, MRI will be more precise for details of soft tissue.
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
Some things: CT scan of brain without contrast shows basic anatomy of brain, gray white matter differentiation, ventricles, and physiologic calcifications. Ventricles enlarged/ hydrocephalus, mass effect with displacement of normal structures, some bleeding, abnormal calcifications in tumors or old subdural hematomas, fractures. CT with contrast adds enhancement of certain lesions not seen, hyper/hypo vascular.
Small low grade mass: Some small low grade tumors that have not incited vasogenic edema could be missed on ct scanning. The addition of IV contrast would improve visualization of some tumors, but ct has limits in resolution when compared to mri. These are not the tumors that cause profound symptoms, frequently these small tumors are found incidentally when patients have scans for other reasons.
Not clear: Your question is not clear. White matter is normally present in the brain. Was there something specificly commented on about the white matter on your scan?
I had a ct scan of my brain today. Is it normal to have a graph over top of the imagine then the next image without the graph shows a bright white spot?
What????: Would you strike out into the wilderness with no camping or hiking experience, & having never looked at a topographic or hiking map? And then you take a first look at the map and are immediately confused? So what do you do? Post a question on HikeTap? This is analogous, except the knowledge gap in medicine is way, way wider. Just relax and wait for the report.See 3 more doctor answers
MRI: Mri with and without contrast is more sensitive for detecting tumors that ct is.
Yes: Has to be a CTA (CT angiogram). CT scan of the head without contrast doesn't detect aneurysms unless they are larger. CT scan of the head with contrast has a slightly better chance. CTA of the head is good for seeing aneurysms. See radiologyinfo. Org and stroke association. Org for more details.
Need contrast: Very difficult to see aneurysms in the brain without contrast. If you are concerned about this as a possibility you should ask your doctor about your risk.
It depends.: In a young person that would be cause for concern. However, in elderly individuals these are common findings.
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
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