Definition |
Anticancer drugs that are injected into the fluid-filled space between the thin layers of tissue that cover the brain and spinal chord, i.e. CSF , via a lumbar puncture or spinal tap. Injection of chemotherapy through the theca of the spinal cord into the subarachnoid space. The term intrathecal means within the spinal canal, the space between the double-layered covering or lining of the brain and spinal cord. The lining is called the meninges. In some situation drugs have to be administered into the spinal canal when leukemia cells are on the meninges. This process is called intrathecal therapy.
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