title: [Primary cutaneous B-cell lymphomas: study of 22 cases].
abstract: OBJECTIVE
  Primary cutaneous B-cell lymphoma (CBCL) is a very low prevalence neoplasm and constitutes 25% of all primary cutaneous lymphomas. Our objective was to discover the epidemiological, clinic and histologic characteristics of CBCL in our area.
  
  
  METHODS
  Retrospective descriptive study with patients with histologic diagnosis of CBCL followed up in our department between 2004 and 2015.
  
  
  RESULTS
  Twenty-two patients with CBCL were included; 65% were men and 35% were women. Follicle centre lymphoma was the most common subtype (41%). Only 3 cases presented with node involvement and one with bone marrow invasion. Five recurrences were detected and one patient died because of the CBCL.
  
  
  CONCLUSIONS
  This is one of the first CBCL series in theSpanish population. The incidence, sex, age, subtype distribution, clinical features and immunohistochemical patterns are very similar to those of the other series.
authors.affiliation: Unidad de Gestión Clínica de Dermatología, Hospital Universitario Virgen del Rocío, Sevilla, España. Electronic address: Pablo_ronda@hotmail.com.
authors.forename: Pablo
authors.initials: P
authors.lastname: Martín Carrasco
authors.affiliation: Unidad de Gestión Clínica de Dermatología, Hospital Universitario Virgen del Rocío, Sevilla, España.
authors.forename: Mercedes
authors.initials: M
authors.lastname: Morillo Andújar
authors.affiliation: Unidad de Gestión Clínica de Dermatología, Hospital Universitario Virgen del Rocío, Sevilla, España.
authors.forename: Carmen
authors.initials: C
authors.lastname: Pérez Ruiz
authors.affiliation: Unidad de Gestión Clínica de Anatomía Patológica, Hospital Universitario Virgen del Rocío, Sevilla, España.
authors.forename: Teresa
authors.initials: T
authors.lastname: de Zulueta Dorado
authors.affiliation: Unidad de Gestión Clínica de Anatomía Patológica, Hospital Universitario Virgen del Rocío, Sevilla, España.
authors.forename: Rocío
authors.initials: R
authors.lastname: Cabrera Pérez
authors.affiliation: Unidad de Gestión Clínica de Dermatología, Hospital Universitario Virgen del Rocío, Sevilla, España.
authors.forename: Julián
authors.initials: J
authors.lastname: Conejo-Mir
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D016393:Lymphoma, B-Cell / Q000175:diagnosis* / Q000453:epidemiology / Q000401:mortality / Q000473:pathology; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012189:Retrospective Studies; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000453:epidemiology / Q000401:mortality / Q000473:pathology; D013030:Spain / Q000453:epidemiology
keywords: B-cell cutaneous lymphoma; Follicle centre lymphoma; Linfoma B cutáneo; Linfoma cutáneo centrofolicular; Linfoma cutáneo tipo pierna; Linfoma cutáneo zona marginal; Primary cutaneous diffuse large b-cell lymphoma leg-type; Primary cutaneous marginal zone lymphoma