NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

cerebrospinal fluid diversion
(seh-REE-broh-SPY-nul FLOO-id dih-VER-zhun)
A process used to drain fluid that has built up around the brain and spinal cord. A shunt (a long, thin tube) is placed in a ventricle of the brain and threaded under the skin to another part of the body, usually the abdomen. The shunt carries excess fluid away from the brain so it may be absorbed elsewhere in the body.

EnlargeCerebrospinal fluid (CSF) diversion; drawing shows extra CSF flowing through a tube (shunt) from a ventricle in the brain into the abdomen. The shunt goes from the ventricle, under the skin in the neck and chest, and into the abdomen. Also shown is a valve that controls the flow of CSF.

Cerebrospinal fluid (CSF) diversion. Extra CSF is removed from a ventricle in the brain through a shunt (tube) and is emptied into the abdomen. A valve controls the flow of CSF.