Computed Tomography (CT)   scan is a medical imaging procedure utilising x-ray and digital imaging technology to examine the body’s internal structures for diagnostic purposes.

    The   CT   is chiefly used to present clear images of internal organs, soft tissues and bone to aid in the diagnosis of a myriad of medical conditions.

    Through cross-sectioning of images, the   CT   computer can generate an image of every type of body structure at once.

    However, it can also be done on a specific organ or tissue (e.g. brain, kidney, liver, etc.), depending on what your doctor is looking for.

    Why use CT scans?

    A   CT   scan is a useful tool in a diverse variety of medical scenarios.

    Some of the most common reasons your doctor may request a   CT   scan include:

    Types of CT Scans

    CT scans are used to diagnose disease and injury, as well as to monitor the progress of a particular course of treatment, such as medication use.

    They also have great diagnostic capabilities – particularly in the head, lungs, cardiac, abdominal and pelvic regions as follows:

    Head:  To detect tumors, infarction, hemorrhage and bone trauma.

    Lungs:  To d etect acute and chronic changes in the internal structure of the lung. A   CT   is preferable in this case, as two-dimensional x-rays often fail to show defects inside the lung.

    Cardiac:   The   CT   is a great advent in the diagnosis of cardiac conditions, as its high resolution and high speed allows for clear coronary artery images.

    Abdominal and Pelvic:   As a sensitive form of testing, the CT is used to determine different stages of cancer, as well as investigating acute abdominal pain.

    Advantages 

    CT   scans have clear advantages over traditional two-dimensional radiography:

    1. CT eliminates the superimposition of structures outside of the area of interest.

    2. Subtle changes in internal structures are easily spotted. The scan’s high-contrast resolution ensures that tissues differing in physical density by less than one percent can be easily distinguished.

    These improvements are among many which advantages which make diagnosis and treatment of acute and chronic conditions easier.

    What can I expect?  

      A   CT   scan is a simple, non-invasive procedure.

    This is how the process typically unfolds: 

    IMPORTANT: When booking for a CT examination, please advise the receptionist if you have had a previous allergic reaction to x-ray contrast (dye).

    Are CT scans bulk billed Qld?
    CT Scans – BULK BILLED (excluding some GP referred heart scans) more
    Is CT scan scary?
    Getting a computed tomography (CT) scan can feel scary, but it doesn't need to be. Generally safe and non-intrusive, CT scans are a valuable diagnostic tool for preventative health care. more
    Which has more radiation PET scan or CT scan?
    A CT scan of the abdomen (belly) and pelvis exposes a person to about 10 mSv. A PET/CT exposes you to about 25 mSv of radiation. more
    What's the difference between a CT scan and a CAT scan?
    So, CAT and CT scans both mean the same type of diagnostic examination. CAT was used earlier in its history, while CT is the recent up-to-date term for convenience sake. The term CT stands for computed tomography and the term CAT stands for computed axial tomography or computerized axial tomography scan. more
    What does a bone scan show that a CT scan doesn t?
    The specific use of a bone scan is to diagnose active bone diseases, such as osteoporosis, Paget's disease or the spread of cancer into the bone. A CT scan is a high-resolution X-ray that gives detailed information about organ anatomy. more
    What is the difference between a CT scan and a CAT scan?
    So, CAT and CT scans both mean the same type of diagnostic examination. CAT was used earlier in its history, while CT is the recent up-to-date term for convenience sake. The term CT stands for computed tomography and the term CAT stands for computed axial tomography or computerized axial tomography scan. more
    Is a CAT scan and CT scan the same?
    CT scans have nothing to do with cats, except that when people talk about them, they usually say "cat scan" instead of "CT scan." CT stands for computed tomography, so you can see why people say "CT." CT scans are a kind of X-ray that gives doctors a much better picture of what's going on inside the body. more
    What has more radiation PET scan or CT scan?
    A CT scan of the abdomen (belly) and pelvis exposes a person to about 10 mSv. A PET/CT exposes you to about 25 mSv of radiation. more
    Is a PET scan more accurate than a CT scan?
    CT scans are more accurate than PET scans, but PET scans can be used to diagnose cancer at an early stage. Both scans are painless and take about 30 minutes to complete. If you're unsure which scan is right for you, be sure to talk to your doctor about PET and CT protocols. more
    Does a PET scan or CT scan have more radiation?
    PET scans take between 2-4 hours to complete, and are significantly more expensive than CT scans. The radiation exposure of a PET scan is about the same as an x-ray. more
    Which is better a CT scan or a PET scan?
    How is a PET-CT scan different than a CT scan? A CT scan shows detailed pictures of the organs and tissues inside your body. A PET scan can find abnormal activity and it can be more sensitive than other imaging tests. It may also show changes to your body sooner. more

    Source: www.irisimaging.net.au

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