D42: Neoplasm of uncertain or unknown behaviour of meninges
D42.0: Neoplasm of uncertain or unknown behaviour: Cerebral meninges
When there is abnormal growth of tissue, then this is also referred to as a tumor. The tissue in the body is made up of cells. A tumor disorder involves the cells multiplying more than normal. This results in abnormal or excess tissue forming. A tumor can be benign or malignant.
On the outside of the brain and spinal cord there are three thin meninges (linings). A tough meninx, the dura mater, is on the outside. Below that are two soft meninges. You have abnormal growth of tissue in the meninges in the head.
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