PET/CT SCAN

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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 additional information to 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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