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Doctor insights on: Ct Cisternogram

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Dr. Mark Ingerman
5 doctors shared insights

Ct Cisternogram (Overview)

Ct cisternography is a procedure used to identify subtle leaks of spinal fluid along the skull base. Images are obtained in various orientations and often with the patient in various positions before and after a liquid which shows up with ct (contrast) is instilled into the spinal fluid. Since ct images show bone detail well the test works well to identify leaks in the skull base region.


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How is a CT cisternogram performed?

How is a CT cisternogram performed?

Lumbar Puncture: Approximately 3–10 ml of an iodinated nonionic low-osmolar contrast agent is administered by means of lumbar puncture (spinal tap). The patient is then tilted to get the contrast to flow around the brain. A post contrast ct is obtained to evaluate the area. If a CSF leak had been diagnosed pre-contrast images would have been obtained first. ...Read more

Dr. Mark Ingerman
5 doctors shared insights

Ct Cisternogram (Overview)

Ct cisternography is a procedure used to identify subtle leaks of spinal fluid along the skull base. Images are obtained in various orientations and often with the patient in various positions before and after a liquid which shows up with ct (contrast) is instilled into the spinal fluid. Since ct images show bone detail well the test works well to identify leaks in the skull base region.


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What is the definition or description of: CT cisternogram?

What is the definition or description of: CT cisternogram?

Cisternogram: Ct cisternography is a procedure used to identify subtle leaks of spinal fluid along the skull base. Images are obtained in various orientations and often with the patient in various positions before and after a liquid which shows up with ct (contrast) is instilled into the spinal fluid. Since ct images show bone detail well the test works well to identify leaks in the skull base region. ...Read more

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I am scheduled for a CT cisternogram. What is involved and will I be given versed?

I am scheduled for a CT cisternogram. What is involved and will I be given versed?

Talk to your: Doctor. If you feel that you need some medication for anxiolysis and it isn't the standard of care where this will be done, ask your doctor to prescribe some medication like Ativan (lorazepam) to take beforehand. ...Read more

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How is a CT Cisternogram done? I'm having done with a full spine CT Myelogram

It is a CT myelogram: except that you are tilted feet up/head down so that gravity allows the contrast to get into the brain cisterns from the spinal thecal sac. The injection is the same. So, it is a CT myelogram with the addition of an extra manuever and an extra scan. ...Read more

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How accurate are CT angiogarams?

How accurate are CT angiogarams?

Good exam. : CTA very accurate. CTA must be tailored to your problem to be the most accurate. Sometimes Doppler ultrasound, magnetic resonance angiography/ MRA, or conventional angiography are required instead. See radiologyinfo.org for details about these studies. ...Read more

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What parts of the body are CT scans mostly used for?

What parts of the body are CT scans mostly used for?

There are CT: indications for almost every body part, but in general the most commonly scanned region is probably the abdomen. ...Read more

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What parts of the body are CT scans mostly used for?

There are CT: indications for almost every body part, but in general the most commonly scanned region is probably the abdomen. ...Read more

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What is CT urography?

CT urogram: Ct urogram is a exam perform to evaluate to urinary tract (kidneys, ureters and bladder) for a cause of hemturia. The exam is performed before and after the administration of iodinated contrast. Most cases of hemturia have no findings on this exam. The most common finding is a kidney stone. ...Read more

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Which are the limitations of CT scanning of the head?

Which are the limitations of CT scanning of the head?

Head ct: On year ct the contrast between structures is not that great. Ct is good to see bleeding in the brain or skull, a shift due to a mass can see a stroke a couple if hours old. Also good to see boney structure. Mri has better contrast differentiation but has other trade offs. ...Read more

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What is EEG and ct?

Two ways of looking: EEG looks at brain function by recording the electrical activity produced by the brain cells. CT looks at the anatomy of the body by using x-rays. A computer is able to transform the x-ray results into a 3d picture, allowing us to see body parts without having to do surgery. ...Read more

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What’s CT angiography?

What’s CT angiography?

Specially : Timed ct scan to evaluate arteries of the body part imaged. See radiologyinfo.Org. ...Read more

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How is pet CT scan done?

How is pet CT scan done?

PET/CT scan: You need to fast for 4 hours first, then you will recieve an injection of a small amount of radioactive glucose (i.e. Sugar). Next you will sit in a recliner chair for about 70 minutes to allow the glucose to distribute throughout you. Then you will lie on your back on the pet/ct scanner (a tunnel shaped machine) for 20 minutes. There are no side effects from the test or restrictions afterwards. ...Read more

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Is barium safe with CT scan?

Is barium safe with CT scan?

Yes,: barium is safe with a CT scan. Dilute barium is often used as oral contrast for a CT. Non dilute barium(for example from a barium enema) will cause an artifact on CT which could obscure much of the anatomy and render the scan useless, so although it is not harmful to you, it could ruin the scan. ...Read more

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How to read a CT scan report?

How to read a CT scan report?

Your doctor: Your doctor should help you understand your report. Unless you went to medical school or have other medical training, the vocabulary used in most reports will be very confusing, and even using a medical dictionary may not fully explain what the radiologist is trying to communicate. ...Read more

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Is CT angiography good or bad?

A tool: Ct angiography is a useful tool when used where needed ( to diagnose a blood clot in the lung, for example). It can cause harm if there is a reaction to the contrast or if rather kidneys are fragile, so each time it is ordered the risks should be weighed against the information to be gained. ...Read more

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What is a pet CT scan used for?

What is a pet CT scan used for?

Several uses: In most cases PET CT scan is used for detecting metatases in the body. It can also be used for brain with mets, primary tumors, and epilepsy. Injection of glucose metabolite F18 FDG goes to malignant lesions that are highly metabolic,. Usually more sensitive for detecting smaller lesions. Used in staging malignancies and following patient's response to chemotherapy and radiation ...Read more

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Is a ct scan of the chest safe?

Is a ct scan of the chest safe?

Perspective : It depends on why you are getting it. Is the risk greater than the benefit? If so, then probably not a good idea to get it. If the potential benefit is greater than the risk of not getting it, then I'd say absolutely, get it done. However, just know, the radiation exposure to a CT is about the same as 200 chest X-rays. ...Read more

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Does a CT scan show MS lesions?

Does a CT scan show MS lesions?

On occasion: But not the best images for MS. MRI is the gold standard, NOT the CAT scan. ...Read more

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What cancers do CT scans cause?

What cancers do CT scans cause?

They don't: Hey Matt! This is a good question and I'm glad to reassure you. A typical CT scan delivers maybe 3mSv, the same as the extra radiation a pilot gets each year. Pilot dose is cumulative and nobody has shown increased cancer in pilots. Up to 20 mSV/year is okay for radiation workers and they don't get extra cancer either. Relax and give yourself a break from worrying. ...Read more

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Dr. Corey Clay
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