title: Pathologic quiz case: a 39-year-old man with severe lower back pain. Plasma cell leukemia.
authors.affiliation: Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Mo 63110, USA.
authors.forename: Amilcar A
authors.initials: AA
authors.lastname: Castellano-Sanchez
authors.forename: Friederike H C
authors.initials: FH
authors.lastname: Kreisel
mesh_terms: D000328:Adult; D006801:Humans; D007952:Leukemia, Plasma Cell / Q000150:complications*; D017116:Low Back Pain / Q000209:etiology*; D008297:Male; D010148:Intractable Pain / Q000209:etiology*