[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:6379", "predicate": "IAO:0000115", "object": "A central nervous system melanocytic neoplasm that is characterized as diffuse or multifocal proliferation of uniform nevoid polygonal cells in the leptomeninges.", "datatype": "xsd:string", "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://radiopaedia.org/articles/meningeal-melanocytosis?lang=us\"}]}" } ]