Understanding Your Treatment Options

PET/CT SCAN
Positron Emission Tomography (PET) is rapidly becoming a major
presence and severity of cancers, neurological conditions, and
cardiovascular disease. It is currently the most effective way to
check for cancer recurrences. Studies demonstrate that PET offers
significant advantages over other forms of imaging such as CT or
MRI scans in diagnosing disease.presence and severity of cancers,
neurological conditions, and cardiovascular disease. It is currently
the most effective way to check for cancer recurrences. Studies
forms of imaging such as CT or MRI scans in diagnosing disease.
cardiovascular disease. It is currently the most effective way to
check for cancer recurrences. Studies demonstrate that PET offers
MRI scans in diagnosing disease.

This powerful medical technology allows our doctors to see and
track the spread of malignant cancer cells in the body. A PET
(positron emission tomography) machine shows the metabolic
action of cells, by imaging how fast glucose linked to a radioactive
tracer is absorbed by cells. Cancer cells metabolize the glucose
faster. The opposite holds true for diseased heart tissue -- the cells
do not absorb the glucose or absorb it poorly. Combining the PET
scan with a CT (computerized tomography) scan allows doctors to
precisely pinpoint the location of cancer cells in the body.

The PET/CT (Positron Emission Tomography/Computed
Tomography)
scanner combines two types of radiological scans in
one to create the best diagnostic tool medically available to
determine the presence and severity of cancers. Our 3D option
provides ultra-fast detector electronics that substantially improves
image quality, with up to 70 percent better count rate performance
under typical scan conditions. Studies demonstrate that PET offers
significant advantages over other forms of imaging such as CT or
MRI scans in diagnosing disease.

A PET scanner consists of an array of detectors that surround the
patient. Using the gamma ray signals given off by the injected
radionuclide, PET measures the amount of metabolic activity at a
site in the body and a computer reassembles the signals into
images. Cancer cells have higher metabolic rates than normal cells,
and show up as denser areas on a PET scan. PET is useful in
diagnosing certain cardiovascular and neurological diseases
because it highlights areas with increased, diminished or no
metabolic activity, thereby pinpointing problems.

Computerized Tomography Scan or Computerized Axial Tomography
(CAT scan) is a diagnostic imaging procedure that uses a
combination of X-rays and computer technology to produce cross-
sectional images of the body layer by layer to show detailed images
of any part of the body.
Cancer & PET/CT

PET/CT is the foundation of our Therapy Planning in identifying
whether cancer is present or not, if it has spread, if it is responding
to treatment, and if a person is cancer free after treatment. Cancers
for which PET/CT is considered particularly effective include
lung,
head and neck, colorectal, esophageal, lymphoma, melanoma,
breast, thyroid, cervical, pancreatic, and brain as well as other
less-frequently-occurring cancers.

The advantages offered by this most advanced diagnostic imaging
tool are:

  • Early Detection: Because PET images biochemical activity, it
    can accurately characterize a tumor as benign or malignant,
    thereby avoiding over treatment and thereby saving costs.
    Conversely, because a PET scan images the entire body, our
    doctors can plan with pin-point accuracy specific treatment
    plans for distant metastasis.
  • Stages of Cancer: PET is extremely sensitive in determining
    the full extent of disease, especially in lymphoma, malignant
    melanoma, breast, lung, colon and cervical cancers.
    Confirmation of metastatic disease allows our doctors and
    the patient to more accurately decide on the procedures for
    the management of the disease.
  • Checking for recurrences: PET is currently considered to be
    the most accurate diagnostic procedure to differentiate tumor
    recurrences from radiation necrosis or post-therapy changes.
    Such an approach allows for the development of a more
    rational treatment plan for the patient.
  • Assessing the Effectiveness of Therapies: The level of tumor
    metabolism is compared on PET/CT scans taken before and
    after treatments. A successful response seen on a PET scan
    would therefore be an earlier indicator of tumor response
    than that seen with other diagnostic modalities.

A PET/CT scan can therefore be used to quickly determine the
extensiveness of cancer, giving doctors better information that
could be used to determine the most effective therapies for the
patient.

The Siemens biograph 16 which we are using, offers the ultimate
PET/CT performance for improved disease diagnosis and treatment
in oncology, neurology, and cardiology. It delivers high-quality
PET/CT whole body scans in less than 15 minutes. Our hospital is
therefore able to offer a complete solution to all your diagnostic
imaging needs.        

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