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Oropharyngeal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] - General Information About Oropharyngeal Cancer

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Tests that examine the mouth and throat are used to help detect (find), diagnose, and stage oropharyngeal cancer.

The following tests and procedures may be used:

  • Physical exam and history: An exam of the body to check general signs of health, including checking for signs of disease, such as swollen lymph nodes in the neck or anything else that seems unusual. The doctor does a complete exam of the mouth and neck and looks down the throat with a small, long-handled mirror to check for abnormal areas. A history of the patient's health habits and past illnesses and treatments will also be taken.
  • CT scan (CAT scan): A procedure that makes a series of detailed pictures of areas inside the body, taken from different angles. The pictures are made by a computer linked to an x-ray machine. A dye may be injected into a vein or swallowed to help the organs or tissues show up more clearly. This procedure is also called computed tomography, computerized tomography, or computerized axial tomography.
  • MRI (magnetic resonance imaging): A procedure that uses a magnet, radio waves, and a computer to make a series of detailed pictures of areas inside the body. This procedure is also called nuclear magnetic resonance imaging (NMRI).
  • X-rays: An x-ray of the organs and bones. An x-ray is a type of energy beam that can go through the body and onto film, making pictures of areas inside the body.
  • PET scan (positron emission tomography scan): A procedure to find malignant tumor cells in the body. A small amount of radionuclide glucose (sugar) is injected into a vein. The PET scanner rotates around the body and makes a picture of where glucose is being used in the body. Malignant tumor cells show up brighter in the picture because they are more active and take up more glucose than normal cells do.
  • Endoscopy: A procedure to look at organs and tissues inside the body to check for abnormal areas. An endoscope is inserted through the patient's nose or mouth to look at areas in the throat that cannot be seen during a physical exam of the throat. An endoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue or lymph node samples, which are checked under a microscope for signs of disease.
  • Biopsy: The removal of cells or tissues so they can be viewed under a microscope by a pathologist to check for signs of cancer.
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