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NCI Dictionary of Cancer Terms

lymphomatous leptomeningitis  listen  (lim-FOH-muh-tus LEP-toh-MEH-nin-JY-tis)

  A serious problem that may occur in lymphoma. In lymphomatous leptomeningitis, cancer cells have spread from the original (primary) tumor to the meninges (thin layers of tissue that cover and protect the brain and spinal cord). The cancer may cause the meninges to be inflamed. Also called lymphomatous meningitis.