title: Primary reticulosis of the central nervous system.
mesh_terms: D000328:Adult; D001921:Brain / Q000473:pathology; D001932:Brain Neoplasms / Q000473:pathology*; D002551:Cerebral Ventricle Neoplasms / Q000473:pathology*; D002552:Cerebral Ventricles / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008206:Lymphatic Diseases / Q000145:classification / Q000473:pathology*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology*; D008297:Male; D008875:Middle Aged