title: CT characteristics of a hyperdense renal mass due to Richter syndrome.
abstract: A case of Richter syndrome (histiocytic lymphoma or Hodgkin disease complicating chronic lymphocytic leukemia) presented as a hyperdense renal mass on CT.
authors.affiliation: Department of Radiology, Loyola University Medical Center, Maywood, IL 60153.
authors.forename: M
authors.initials: M
authors.lastname: Olson
authors.forename: H
authors.initials: H
authors.lastname: Posniak
mesh_terms: D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D007945:Leukemia, Lymphoid / Q000000981:diagnostic imaging*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D013577:Syndrome; D014057:Tomography, X-Ray Computed