What is a radical neck dissection? when is it done?

What is a radical neck dissection? The surgeon removes a block of tissue from the collarbone to the jaw and from the front to the back of the neck. The large muscle on the side of the neck that is used for rotating, flexing or extending the neck is also taken out, along with the major vein on the side of the neck. Sometimes, a less drastic operation, called a supraomohyoid neck dissection is done. This takes out only the lymph nodes, the tissue surrounding the nodes and a muscle at the front of the neck. Another technique, called a functional neck dissection, saves the muscles of the neck, taking out only the lymph nodes and tissues surrounding them.
What kind of incision is made with a radical neck dissection? The incision depends upon what the surgery is for. It can run from below the ear to the collarbone. Everything in the front of the neck on one side or on both sides may be removed. This may include the lymph nodes, blood vessels, nerves, and the salivary gland under the jawbone.

How dangerous is heart bypass surgery?

What is the outlook for recovery after a bypass?

Bypass surgery is a major surgical operation. The most drastic way to correct the problem of a blocked coronary artery is to replace it with a clean blood vessel from another part of your body. Replace is a simplistic term here: what the surgeon actually does is go around the blocked section of the coronary artery by attaching a clean blood vessel such as a vein from your leg which can be removed without causing problems to a place just before and to one just after the blockage so the blood can now bypass the blocked area and again flow beyond it.
This is not like replacing a clogged pipe in your house with a new, clean one; rather it is like attaching a new pipe to points just before and just after the rusted, blocked region. Just as in your house you would need to turn off the main water valve before putting in the new pipe, so in the case of the heart doctors use special machines to circulate blood and put oxygen into your blood while the heart is being operated on.


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