title: Pathologic quiz case. A man with long-standing monoclonal gammopathy and new onset of confusion. Central nervous system involvement by Waldenström macroglobulinemia-Bing-Neel syndrome.
authors.forename: Derek
authors.initials: D
authors.lastname: Welch
authors.forename: William O
authors.initials: WO
authors.lastname: Whetsell
authors.forename: Robert J
authors.initials: RJ
authors.lastname: Weil
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001921:Brain / Q000473:pathology; D002493:Central Nervous System Diseases / Q000209:etiology* / Q000473:pathology; D003221:Confusion / Q000209:etiology* / Q000473:pathology; D017809:Fatal Outcome; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010265:Paraproteinemias / Q000150:complications* / Q000473:pathology; D013577:Syndrome; D008258:Waldenstrom Macroglobulinemia / Q000150:complications* / Q000473:pathology