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Topic: CT scan



  
 CT Scanning of the Body (Computed Tomography or CAT Scan)
CT examinations are often used to plan and properly administer radiation treatments for tumors, to guide biopsies and other minimally invasive procedures and to plan surgery and determine surgical resectability.
Because it provides detailed, cross-sectional views of all types of tissue, CT is one of the best tools for studying the chest and abdomen.
Depending on the area of the body being examined, the increments of movement may be so small that they are almost undetectable or large enough that the patient feels the sensation of motion.
http://www.radiologyinfo.org/content/ct_of_the_body.htm   (2060 words)

  
 NHRG - CT Scans
CT Scans are used to position needles accurately within the body for biopsy and other interventional procedures
CT scanning is very sensitive to bone making it a good imaging choice for detecting fractures and visualizing particularly small bones such as facial bones.
Is a new and still evolving technique which could one day prove to be more convenient and less expensive than traditional methods of colon cancer screening.
http://www.northhertsradiologygroup.co.uk/ct.html   (2385 words)

  
 BrighamRAD - CT Scan: A Guide for Patients
CT examinations differ depending on your medical problem and the part of your body being studied.
CT can see inside the brain and other parts of the body, into areas that cannot be seen on regular x-ray examinations.
CT images are generated using a special X-ray technique.
http://brighamrad.harvard.edu/patients/education/ct/ctguide.html   (2841 words)

  
 CT Scans
CT scans are commonly used to picture the brain, chest, heart, lungs, abdomen, pelvis, bones, blood vessels, and sinuses.
If your CT exam requires IV contrast, we will ask you to fill out a questionnaire about other allergies you may have.
In general, no. We do not "pre-treat" patients for possible contrast reaction in the instance of those who have relatives who have such an allergy.
http://www.fortcollinsradiology.com/ct.html   (778 words)

  
 Computerized tomography - MayoClinic.com
CT is a noninvasive way to view your internal organs and tissues.
Unlike MRI, CT exams can be done even if you have a pacemaker or cardioverter defibrillator — devices implanted in your chest to help regulate your heartbeat.
CT allows doctors to see multidimensional images (slices) of your body.
http://www.mayoclinic.com/invoke.cfm?id=FL00065   (1281 words)

  
 NN+S > CT Scans
We are equipped to perform a full range of scans including full body scans, chest, abdomen, pelvis, head neck, brain, spine, musculoskeletal and heart scans.
That helps us reach our goal, which is to treat you as soon as possible so that you can find relief.
Our scanner is extremely fast, so the exam may take as little as 2 minutes.
http://www.nwnasalsinus.com/ct_scans   (1019 words)

  
 Article : Review Article - Imaging of Pulmonary Thromboembolism ; Author : A Kohli ; Co-Author(s) : D Rajput, M Gomes, ...
The main utility of the chest x-ray is as an aid in the interpretation of ventilation-perfusion scans.
In slower spiral scanners or if the patient is dyspnoeic, it may be difficult to achieve this coverage, then images may be obtained from the level of the aortic arch to the inferior pulmonary veins.
All positive scans need to be validated by chest x-rays and complimented with ventilation scans.
http://www.ijri.org/articles/archives/2002-12-2/thoracic_207.htm   (2023 words)

  
 CT Scans
CT scans of the neck, head, spine, chest, or extremities may need IV contrast, but oral contrast will not be used.
Oral contrast (by mouth) - highlights the stomach and intestines.
Tell your doctor, if you have an allergy to IV contrast/ dye, shellfish or iodine.
http://www.radweb.mc.duke.edu/info/ctscan.htm   (512 words)

  
 CT scan
For some chest (thoracic) scans, you may be given an injection of the 'contrast medium' dye beforehand.
Before you have this, the nurse or radiographer will ask you about allergies or asthma as some people can be allergic to it.
One is the 'contrast medium' dye to show up the body tissues more clearly.
http://www.cancerhelp.org.uk/help/?page=148   (1735 words)

  
 Computed Tomography (CT): Questions and Answers, Cancer Facts 5.2
A CT scan uses slightly more radiation than a chest x-ray, but the benefits generally outweigh the risks (see Question 4).
Virtual endoscopy is a new technique that uses spiral CT. It allows doctors to see inside organs and other structures without surgery or special instruments.
The contrast dye can highlight specific areas inside the body, resulting in a clearer picture.
http://cis.nci.nih.gov/fact/5_2.htm   (1035 words)

  
 CT Scan, Cincinnati Children's Hospital Medical Center
CT uses X-rays to take pictures of your child's body.
Sometimes a few pictures will need to be repeated.
The technologist will talk to your child through an intercom.
http://www.cincinnatichildrens.org/health/info/growth/procedure/ct-scan.htm   (911 words)

  
 Computerized Tomography - RadiologyChannel.net
Unless you have severe back pain while lying supine, or you are severely claustrophobic, this should not be an unpleasant experience.
When we take a conventional x-ray, we rely on the interaction between the radiation and the various structures in the body.
Basically, that is what the CT scanner does to the human body: "slices it up."
http://radiologychannel.net/computerizedtomography   (1723 words)

  
 CT scan
CT scanning can also be used to guide biopsies and therapeutic pain procedures.
The bed then moves slowly backwards and forwards to allow the scanner to take pictures of the body, although it does not touch the patient.
CT scanning has also proven invaluable in pinpointing tumours and planning treatment with radiotherapy.
http://www.netdoctor.co.uk/health_advice/examinations/ctgeneral.htm   (874 words)

  
 Full Body CT Scans - What You Need to Know - Brochure
Many people don't realize that getting a whole body CT screening exam won't necessarily give them the "peace of mind" they are hoping for, or the information that would allow them to prevent a health problem.
It's also used for planning, guiding, and monitoring therapy.
CT is recognized as an invaluable medical tool for the diagnosis of disease, trauma, or abnormality in patients with signs or symptoms of disease.
http://www.fda.gov/cdrh/ct/ctscansbro.html   (576 words)

  
 Association Between Head CT Scans and Cataracts Disputed
While the Australian study did not find convincing evidence of associated risk, nor could they duplicate the modest risk reported in the Beaver Dam study, they still advise proceeding with caution.
A new study, published in a recent issue of the American Journal of Public Health, however, shows no such association.
Because they can also be brought on by radiation injury, there had been some concern that having CT scans could increase their incidence.
http://my.webmd.com/content/article/21/1728_54397   (519 words)

  
 CT Scans
You will need to sign a consent if "contrast" material is to be given.
It will explain any potential risk or complications and give you an opportunity to ask any further questions.
A dye or contrast material may be injected into the bloodstream through an IV in your hand or arm.
http://www.breastboutique.net/body.cfm?id=38068   (536 words)

  
 CT scans: Harvey Eisenberg
Harvey Eisenberg: Our technology can be used in different ways when searching for the extent of known cancer our information is significantly enhances by the use of dye injections, but currently should be supplemented by other techniques such as nuclear medicine.
By the way I agree with your proactive point of view.
The scans can spot many real or potential health problems while they are still in a readily treatable stage.
http://www.usatoday.com/community/chat/0825eisenberg.htm   (1482 words)

  
 Whole Body Scanning
In such studies only a limited portion of the body is irradiated, not the whole body, and only screening for a specific type of disease is being evaluated, rather than screening for just anything that might be found anywhere in the body.
Although there are several ongoing investigational studies of the effectiveness of using CT to screen people, the studies are focused on high-risk groups for specific diseases (e.g., cigarette smokers for lung cancer).
The principal risk associated with the radiation dose resulting to a person from a CT procedure is the small possibility of developing a radiation-induced cancer some time later in that person's life.
http://www.fda.gov/cdrh/ct   (723 words)

  
 CT Scans for lung cancer scans and lung cancer screening
The study found that, with repeat screenings, false positives were uncommon, and 83% of the lung cancers discovered were in the earliest, most curable stage.
In fact a new study on CT scans and lung cancer conducted by the Early Lung Cancer Action Project, published in the July 1 issue of Cancer, offers new evidence that annual computed tomography screening for patients at high risk of lung cancer is cost-effective.
CT Scans for lung cancer scans and lung cancer screening
http://www.bodyscan.md/spiralct_scanning.html   (231 words)

  
 physics central physics in action - ct scans
This pair of CT images of the human brain shows how much image quality has progressed over the last 27 years.
Notice that the x-ray tube and detectors rotate around the patient.
Introduced in the early 1970s, CT scanning gained rapid acceptance in clinics and hospitals.
http://www.physicscentral.com/action/action-02-3.html   (519 words)

  
 CT Scans
(The real kicker is that when they did it, the tiny amount that had drunk WAS ENOUGH!!!!) The next time he needed contrast for the second scan, they wanted to put an NG tube down his nose and pump the contrast in.
The scans are done on an out patient basis.
CT is a complex, computer enhanced procedure for obtaining X-ray images of the body.
http://www.acor.org/ped-onc/treatment/CT/CTscans.html   (2075 words)

  
 Who's Afraid of CT Scans?
This, in turn, is part of a growing trend of marketing medical diagnostic tests to individuals directly.
Medical professionals were nearly unanimous that women should not be able to get a BRCA test on the grounds that, if it turned out they had the gene, there was no clinically validated treatment available.
As Ronald Bailey notes in an article on private CT scans for Reason, the medical profession has a long history of wanting to keep patients from having direct access to diagnostic tests.
http://brian.carnell.com/archives/years/2002/05/000044.html   (436 words)

  
 MedlinePlus Medical Encyclopedia: Abdominal CT scan
The patient lies on a narrow table that slides into the hole.
An abdominal CT is a noninvasive way for a health care provider to evaluate a patient's internal organs and tissues.
Tell the health care provider if you have any allergies or have had difficulty with prior CT scans.
http://www.nlm.nih.gov/medlineplus/ency/article/003789.htm   (771 words)

  
 MRI & CT
Examination reports will be faxed to your doctor within 48 hours of your examination.
The exam is done on an outpatient basis, eliminating most surgical expenses and hospital stays.
Our programs are set up to ensure the best diagnostic images are produced with minimum radiation exposure to the patient.
http://www.cheyrad.com/mri.html   (1087 words)

  
 Effective Dose From CT Scans
The following average body weights for various age groups (see Reference 2) are provided as a guide.
Radiation effective doses to patients undergoing abdominal CT examinations.
Type of CT Examination: select a value appropriate for the study of interest.
http://www.safety.duke.edu/radsafety/ct_ed   (450 words)

  
 National Cancer Institute - Dictionary of Cancer Terms
A condition in which the lens of the eye becomes cloudy.
An anticancer drug that belongs to the family of drugs called platinum compounds.
Carbohydrates can be small and simple (for example, glucose) or they can be large and complex (for example, polysaccharides such as starch, chitin or cellulose).
http://www.cancer.gov/dictionary/db_alpha.aspx?expand=C   (5885 words)

  
 Sinus CT Scan, Sinusitis - W. S. Tichenor, M. D.
This CT scan was done after surgery was performed on the patient
The next CT scan is from a patient with significant sinus disease.
As compared to the previous x-ray, this patient has larger polyps or cysts (P) (it is often difficult to tell the difference on CT scan) on the right side, with significant obstruction of the ostium.
http://www.sinuses.com/ctscan.htm   (1600 words)

  
 CNN.com - CT scans can save lives, so who should get one? - June 1, 2001
Typically, doctors scan patients who are showing signs of symptoms of a problem.
"To date there is no evidence that total body CT screening is cost-efficient or effective in prolonging life," the American College of Radiology said in a statement.
• Study: CAT scans could improve early detection of lung cancer
http://archives.cnn.com/2001/HEALTH/06/01/body.scan   (506 words)

  
 CT scans articles and information
CT scans expose patients to 1,000 times the dose of chest x-rays
The real news isn't that dentist x-rays are causing hundreds of cancer cases each year, it's the stunning revelation that CT scans expose patients to 1,000 times the does of x-rays as regular chest x-rays.
If this number comes as a shock to you, you're not alone: most doctors don't know it either...
http://www.newstarget.com/CT_scans.html   (748 words)

  
 CT Scans
CT scans can be more effective and less invasive in diagnosing certain blood clots than traditional diagnostic procedures.
How it works, invasive or non-invasive procedures, risks and complications and other aspects of the scan.
Information on a research project about alternative methods which aim to improve the quality of reconstructed images.
http://www.medlina.com/ct_scans.htm   (108 words)

  
 IDT - CT Scans for Dental Implants
IDT is a London-based medical image processing company specialising in reformatting CT scans for surgical planning applications
http://www.ctscan.co.uk   (72 words)

  
 CT scans
CT Scans for Osteonecrosis and NICO -- A Review
On the other hand, the new generation of spiral CT scans can provide very thin-sliced views, as thin as 1.0-1.5 mm., and such views are often able to detect not just destroyed marrow of the facial bones but marrow which has undergone ischemic damage but is still viable.
Routine Computer Assisted Tomography (CT, CAT) scans are very helpful in detecting necrotic marrow and bone in the rounded ends of long bones, but they have not proven to be effective in detecting alterations in the marrow spaces of the facial bones.
http://www.maxillofacialcenter.com/CTscans.html   (339 words)

  
 Scans resolve mystery over King Tut’s death - Science - MSNBC.com
Hawass said only the research team’s members would be allowed to study the CT images.
The boy king also had a slight cleft palate, which was not however associated with an external expression, like a hair-lip, or other facial deformities.
About 1,700 images were taken of Tut’s mummy during the 15-minute CT scan aimed at answering many of the mysteries that shrouded his life and death — including his royal lineage, his exact age at the time of his death and the reason he died.
http://www.msnbc.msn.com/id/7128729?GT1=6305   (892 words)

  
 MedlinePlus: CT Scans
Computed Tomography (CT): Chest (American College of Radiology, Radiological Society of North America)
Computerized Tomography (CT, CT Scan, CAT Scan) (Mayo Foundation for Medical Education and Research)
Whole Body Scanning Using Computed Tomography (CT) (Center for Devices and Radiological Health)
http://www.nlm.nih.gov/medlineplus/ctscans.html   (294 words)

  
 WebMD Health Search
From the Cleveland Clinic: The CT Scan...From the Cleveland Clinic: The CT Scan WebMD Medical Reference in collaboration with Get the...
When a child has to undergo an imaging study, such as an X-ray or a CT scan, it makes sense to keep the radiation dose as low as possible.
CT Scan Predicts Heart Attack, Death Jan. 23, 2002 -- A new study shows that an ultra-fast CT
http://my.webmd.com/search/search_results?query=ct+scan   (370 words)

  
 full body ct scans Resources relating to full body ct scans
Our aim is to be the best site available for full body ct scans.
The Full Body Scan, which provides a complete healthview, was recently featured on Oprah, Good...
Thank You for visiting our full body ct scans site.
http://www.bodyscan1.com/directory/full-body-ct-scans.html   (561 words)

  
 [No title]
Keywords: Radiology, Head CT, Thoracic CT, Abdominal CT, Intracranial, Injury, Trauma, Emergency, Medicine, Medical
http://www.mdchoice.com/xray/ctscan/Ct.asp   (163 words)

  
 dirhub.com - ct scans head
At eBay you can find practically anything, even ct scans head.
Find results for ct scans head and anything else you are looking for instantly!
Accoona also provides related listings for ct scans head
http://www.dirhub.com/Ct-Scans-Head.aspx   (249 words)

  
 CAT Scans
OK, but we just said that CAT scans are useful because x-ray machines only take flat, two dimensional pictures and we want three dimensional pictures.
Visible Human Project, where they are actually slicing up a (very dead) person and photographing each thin slice.)
So why is the process of imaging the flat "slices" difficult?
http://www.colorado.edu/physics/2000/tomography   (264 words)

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