title: Ommaya reservoir insertion guided by computed tomography.
mesh_terms: D000328:Adult; D001932:Brain Neoplasms / Q000188:drug therapy*; D002404:Catheterization; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000188:drug therapy; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage; D008875:Middle Aged; D014057:Tomography, X-Ray Computed
chemical_list: D008727:Methotrexate