NCIt definition : Infiltration of the meninges by an acute or chronic leukemia.;
Alternative definition : NCI-GLOSS: A serious problem that may occur in leukemia. In meningeal leukemia, 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.;
Neoplastic status : Malignant;
Codes from synonyms : CDR0000670768; CDR0000648677; CDR0000670772;