title: Persistent polyclonal B-cell lymphocytosis.
abstract: We present a case of persistent polyclonal B-cell lymphocytosis (PPBL). This syndrome is characterized by a persistent lymphocytosis with circulating atypical binucleated lymphocytes. The patient had serological evidence of a previous EBV infection, had raised polyclonal serum IgM levels and was a heavy smoker. No malignancy was detected.
authors.affiliation: Department of Haematology, Laboratory Medicine, University Hospital Gasthuisberg, Leuven, Belgium. Nancy.Boeckx@uz.kuleuven.ac.be
authors.forename: L
authors.initials: L
authors.lastname: Ide
authors.forename: A
authors.initials: A
authors.lastname: Dekoninck
authors.forename: E
authors.initials: E
authors.lastname: Verburgh
authors.forename: W
authors.initials: W
authors.lastname: Goossens
authors.forename: C
authors.initials: C
authors.lastname: Brusselmans
authors.forename: N
authors.initials: N
authors.lastname: Boeckx
authors.forename: M P
authors.initials: MP
authors.lastname: Emonds
authors.forename: P
authors.initials: P
authors.lastname: Vandekerckhove
mesh_terms: D000328:Adult; D001402:B-Lymphocytes / Q000276:immunology*; D020031:Epstein-Barr Virus Infections; D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D008218:Lymphocytosis / Q000209:etiology / Q000276:immunology* / Q000473:pathology; D012907:Smoking
chemical_list: D007075:Immunoglobulin M