title: Clumping of plasma cells: a pitfall in the diagnosis of plasma cell leukemia.
authors.forename: W C
authors.initials: WC
authors.lastname: Tsoi
authors.forename: C S
authors.initials: CS
authors.lastname: Feng
mesh_terms: D005260:Female; D006801:Humans; D007952:Leukemia, Plasma Cell / Q000473:pathology*; D008875:Middle Aged; D010950:Plasma Cells / Q000473:pathology*