leptomeningeal metastasis
Cancer
(LEP-toh-meh-NIN-jee-ul meh-TAS-tuh-sis) Cancer that has spread from the original (primary) tumor to the two innermost meninges (thin layers of tissue that cover and protect the brain and spinal cord).
(LEP-toh-meh-NIN-jee-ul meh-TAS-tuh-sis) Cancer that has spread from the original (primary) tumor to the two innermost meninges (thin layers of tissue that cover and protect the brain and spinal cord).