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PET-CT Guided (Tumour guided) Radiation Therapy Planning

The PET-CT Scanner combines PET and diagnostic CT to produce a biography image and measurements, which records in exquisite detail the life process at the molecular level of tissues and internal organs from one non-invasive diagnostic procedure.

It has superior diagnostic accuracy and patient management and is used clinically to detect & stage cancer, plan treatment and monitor therapy. PET-CT Scanner images are transferred to the 3-D Planning System.

PET-CT Guided Radiotherapy is planned based on Cellular & Molecular Diagnostic information given by PET-CT Scanner. Treatment is based at the cellular & molecular level.

PET-CT Scan

Positron Emission Tomography (PET) is a powerful imaging technique that holds great promise in the diagnosis and treatment of many diseases, particularly cancer. A non-invasive test, PET scans accurately image the cellular function of the human body.

In a single PET scan, your physician can examine your entire body. PET scanning provides a more complete picture, making it easier for your doctor to diagnose problems, determine the extent of disease, prescribe treatment, and track progress.|

PET (Positron Emission Tomography) and CT (Computed Tomography) scans are both standard imaging tools that physicians use to pinpoint disease states in the body.

A PET scan demonstrates the biological function of the body before anatomical changes take place, while a CT scan provides information about the body’s anatomy such as size, shape and location.

By combining these two scanning technologies, a PET/CT scan enables physicians to more accurately diagnose and identify cancer, heart disease and brain disorders.

Why PET Works

PET scans give information about the body’s chemistry that is not available with other imaging techniques.

PET scans reveal metabolic information (as opposed to anatomical information), providing your physician with extra insight. PET scanning often reveals disease much earlier than conventional diagnostic procedures (such as CT or MRI); it can help physicians diagnose disease faster.

What PET Sees

PET is a procedure that is able to detect small cancerous tumors, and also subtle changes in the brain and heart. This enables physicians to treat these diseases earlier and more accurately than if they waited for the results from other detection modalities.

A PET scan puts time on your side! The earlier the diagnosis, the better the chance for successful treatment.

PET scans offer patients hope.

PET can detect disease sooner and the earlier the detection, the more likely the cure! Prior to changes in structure that normally would show up on a CT or MRI scan, a PET scan can reveal metabolic changes in the body. Cancer is a metabolic process and PET is a metabolic imaging technique.

PET shows the extent of disease – called staging – of lung cancer, colorectal cancer, melanoma, head and neck cancer, breast cancer, lymphoma and many other cancers.

For patients whose cancer is newly diagnosed, it is important to determine if cancer has spread to other parts of the body so that appropriate treatment can be started.

PET can search the entire body for cancer in a single examination with a “whole-body scan,” revealing the primary site (s) as well as any metastases.

PET shows whether a tumor is benign or malignant. Reports in scientific literature find that, in some tumors, PET correctly identifies detected lesions 95% of the time. Painful, costly and invasive surgery, such as thoracotomy, may no longer be necessary for diagnosis.

PET shows the effectiveness of therapy. It is an excellent way to monitor progress and test the recurrence of the disease.

For example, an ovarian cancer patient with a blood test that indicated a rise in her tumor marker levels had a PET scan after both CT and MRI scans were still registering no cancer.

Only the PET scan showed new cancer. After treatment, a subsequent PET scan revealed that the cancer was gone.

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