Doctor insights on:
Can A Regular Ct Scan Of The Brain Show Blocked Arteries
Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more
Yes: Cta is a good test to evaluate the vessels of the neck and brain. You can have blockages in the vessels inside your head. ...Read more
Seek clarification: It's always best to seek clarification from the doctor who gave you the information. If you are not satisfied, ask for a copy of the images on cd and take to a second doctor for another opinion. ...Read more
The larger vessels entering the crainum are often and well evaluated by mr angiography. As these vessel branch and travel to the brain matter they get progressively smaller. Some vascular problems can be seen even is some of these smaller arteries.
It cannot see microvascular disease. ...Read more
I had TIAs 5 days ago. The CT scan showed that I had complete occlusion of the origin of the anterior cerebral artery. What are my options?
Prevention: 1. Have your doctor check for numerous risk factors such as hypertension, hyperlipemia, diabetes, inflammation or arteries, hyperhomocysteinemia, cardiac disease, carotid stenosis, chance of emboli from distant source. In general if no emboli would use combination of Aggrenox and a statin for prevention. ...Read more
Would the heart ultrasound and angiogram CT scan I had show if I had coroided artery disease. Blocked heart valves or structural abnormalities?
No: Need formal carotid ultrasound or cta, to correctly evaluate these vessels. See radiologyinfo. Org. ...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. ...Read more
Possibly: Ct can be performed in a variety of ways to demostrate abnormalities f the structures in the skull. A standard non- enhanced study does not show certain changes in the brain or blood vesssels. If your doctor is concerned about these then additional imaging with tailored ct or MRI might be appropriate. ...Read more
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. ...Read more
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. ...Read more
It depends.: In a young person that would be cause for concern. However, in elderly individuals these are common findings. ...Read more
Maybe: L'hermitte-Duclos disease is a very condition that is not cancerous by itself. Since the majority involve the cerebellum, that is not a strong point for CT imaging because of the bones. They get in the way. Under certain conditions it may be visible. MRI is now a days the way to go. ...Read more
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. ...Read more
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. ...Read more
USUALLY NOT: Since aneurysms are a 'defect' in the arterial system --they can really only be seen with a contrast ct study (angiogram) or a mra (mri-angiogram). One time I did have a patient with a leaking brain aneurysm which the effects of which were barely visible on ct but confirmed on mra--and she made it! ...Read more
Is it possible for a CT scan of the head *without* contrast to show an unruptured brain aneurysm?
If a brain MRI shows no acute process but only a nonspecific signal change in left parietal, is it advisable to do a CT scan considering its risk?
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
Blocked arteries is a condition in which a person has decreased or no blood flow in one or more of his arteries, due to obstructions inside the artery such as thick plaques, floating clumps of broken plaques, blood clots, etc... Severe compression due to a problem on the outside of an artery can also ...Read more
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