title: Hypercalcemia, chronic lymphocytic leukemia and multiple myeloma: uncommon association.
abstract: A fifty-nine year old woman is admitted with severe hypercalcemia and other metabolic disorders. The buffy coat showed plasmoblasts in association with chronic lymphocytic leukemia cells (CLL). Immunophenotyping revealed different light chains on CLL cells and in plasmoblasts. We discuss the association of hypercalcemia and CLL, its physiopathology and the distinction with Richter's Syndrome. We also review literature descriptions of the uncommon association of CLL and Multiple Myeloma and raise the question of its clonal origin.
authors.affiliation: Service de Médecine Interne, Hôpital Saint Joseph, Gilly, Belgium.
authors.forename: D
authors.initials: D
authors.lastname: Schoevaerdts
authors.forename: P
authors.initials: P
authors.lastname: Mineur
authors.forename: V
authors.initials: V
authors.lastname: Hennaux
authors.forename: C
authors.initials: C
authors.lastname: Sibille
mesh_terms: D003937:Diagnosis, Differential; D017809:Fatal Outcome; D005260:Female; D015321:Gene Rearrangement; D006801:Humans; D006934:Hypercalcemia / Q000150:complications*; D007145:Immunoglobulin kappa-Chains / Q000032:analysis; D016130:Immunophenotyping; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000150:complications* / Q000473:pathology; D008875:Middle Aged; D009101:Multiple Myeloma / Q000150:complications* / Q000473:pathology; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D010950:Plasma Cells / Q000473:pathology
chemical_list: D007145:Immunoglobulin kappa-Chains