Methotrexate Intrathecal Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen consisting of intrathecal methotrexate that may be used in the treatment of blastic plasmacytoid dendritic cell neoplasm (BPDCN), acute lymphoblastic, chronic lymphocytic and acute myeloid leukemias; Bing-Neel syndrome manifestation of Waldenstrom macroglobulinemia, and diffuse large B-cell and small lymphocytic lymphomas, with central nervous system (CNS) involvement.

**Synonyms:** - Intrathecal MTX Regimen - Intrathecal Methotrexate Regimen - Intrathecal Methotrexate Sodium Regimen - Methotrexate Sodium Intrathecal Regimen