title: A rare cause of lower back pain.
authors.forename: Denise
authors.initials: D
authors.lastname: Wolleschak
authors.forename: Florian H
authors.initials: FH
authors.lastname: Heidel
mesh_terms: D006801:Humans; D007952:Leukemia, Plasma Cell / Q000097:blood / Q000150:complications* / Q000175:diagnosis; D007964:Leukocytosis / Q000097:blood / Q000175:diagnosis / Q000209:etiology; D017116:Low Back Pain / Q000097:blood / Q000175:diagnosis / Q000209:etiology*; D008297:Male; D008875:Middle Aged