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Mediastinoscopy with biopsy

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Mediastinum

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Mediastinoscopy with biopsy

Definition:

The mediastinum is the space that separates the 2 lungs and contains the heart, thymus, esophagus, trachea, the large blood vessels, and lymph nodes. A mediastinoscopy is a procedure in which a lighted instrument (mediastinoscope) is inserted through a neck incision to visually examine the structures in the top of the chest cavity.

Most commonly this procedure is used to examine lymph nodes in a patient with lung cancer, for disease staging purposes. A sample (biopsy) may be taken with the mediastinoscope.

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How the test is performed:

This procedure is done in the hospital. You will be given a general anesthesia. An endotracheal tube is inserted. An incision is made in the neck and the mediastinoscope is inserted through this incision into the mid-part of the chest. Tissue samples are taken, usually of the lymph nodes surrounding the airway. The scope is then withdrawn, and the incision is closed with stitches.

How to prepare for the test:

You must sign an informed consent form. You will not be able to have food or fluid for 8 hours before the test.

For infants and children:

The preparation you can provide for this procedure depends on your child's age and experience. For specific information regarding how you can prepare your child, see the following topics:

• Infant test or procedure preparation (birth to 1 year)
• Toddler test or procedure preparation (1 to 3 years)
• Preschooler test or procedure preparation (3 to 6 years)
• Schoolage test or procedure preparation (6 to 12 years)
• Adolescent test or procedure preparation (12 to 18 years)

How the test will feel:

You will be unconscious during the procedure. There will be some tenderness at the site of the incision afterward. You may have a sore throat after the test.