title: Diagnosis of congenital von Willebrand disease during a preoperative assessment in a multiple myeloma patient without bleeding history.
abstract: We report a rare case of type 2M von Willebrand disease diagnosed in an elderly multiple myeloma patient who had no personal and family bleeding history. This case report emphasis the importance to not systematically exclude a congenital vWD in adult patients when coagulation screening tests indicate toward a vWD.
authors.affiliation: Laboratory of Haematology Laboratoire Hospitalier Universitaire de Bruxelles Institut Jules Bordet and Saint Pierre University Université Libre de Bruxelles Brussels Belgium.
authors.forename: Malika
authors.initials: M
authors.lastname: El Ouaaliti
authors.affiliation: Laboratory of Haematology Laboratoire Hospitalier Universitaire de Bruxelles Institut Jules Bordet and Saint Pierre University Université Libre de Bruxelles Brussels Belgium.
authors.forename: Rong
authors.initials: R
authors.lastname: Li
authors.affiliation: Laboratory of Haematology Laboratoire Hospitalier Universitaire de Bruxelles Institut Jules Bordet and Saint Pierre University Université Libre de Bruxelles Brussels Belgium.
authors.forename: Delphine
authors.initials: D
authors.lastname: Gobin
authors.affiliation: Department of Haematology Jules Bordet Institute Brussels Belgium.
authors.forename: Dominique
authors.initials: D
authors.lastname: Bron
authors.affiliation: Laboratory of Haematology Laboratoire Hospitalier Universitaire de Bruxelles Institut Jules Bordet and Saint Pierre University Université Libre de Bruxelles Brussels Belgium.
authors.forename: Brigitte
authors.initials: B
authors.lastname: Cantinieaux
keywords: 1‐desamino‐8‐d‐arginine vasopressin; congenital von Willebrand disease; multiple myeloma; preoperative screening; prolonged apTT; von Willebrand factor