BACKGROUND: Few studies have been carried out to date that have addressed the epidemiology of extranodal marginal zone lymphomas (EN-MZLs). PATIENTS AND METHODS: We carried out a population-based study to investigate incidence rates (IRs) and time trends of EN-MZL diagnosed in the province of Modena (Italy) from 1997 to 2007. RESULTS: One hundred and sixty-five cases were identified from the Modena Cancer Registry that corresponded to an age-standardized IR of 2.3 cases per 100 000. A bimodal distribution of age was shown with the group of young patients mostly represented by males with cutaneous lymphoma. No time trends were observed for the IR; the incidence of gastric mucosa-associated lymphoid tissue (g-MALT) lymphomas (N = 51) markedly declined during the study period, dropping from 1.4 in 1997 to 0.2 in 2002 and then remaining stable until 2007; the calculated annual percent change for g-MALT was -17.0% (95% confidence interval -26.6% to -6.2%). We also observed a significant decrease in the rate of g-MALT associated with Helicobacter pylori (HP) infection from 61% to 17% of patients diagnosed before and after 2002 (P = 0.007; P for trend = 0.016). CONCLUSION: This population-based study provides new insights into recent changes in the epidemiology of EN-MZL, mainly represented by the sharp reduced incidence of HP-positive g-MALT lymphomas.
Decreasing incidence of gastric MALT lymphomas in the era of anti-Helicobacter pilori interventions: results from a population-based study on extranodal marginal zone lymphomas / Luminari, Stefano; Cesaretti, Marina; Marcheselli, Luigi; Rashid, I.; Madrigali, Stefano; Maiorana, Antonino; Federico, Massimo. - In: ANNALS OF ONCOLOGY. - ISSN 0923-7534. - STAMPA. - 21 (4)(2010), pp. 855-859.
Data di pubblicazione: | 2010 |
Titolo: | Decreasing incidence of gastric MALT lymphomas in the era of anti-Helicobacter pilori interventions: results from a population-based study on extranodal marginal zone lymphomas |
Autore/i: | Luminari, Stefano; Cesaretti, Marina; Marcheselli, Luigi; Rashid, I.; Madrigali, Stefano; Maiorana, Antonino; Federico, Massimo |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1093/annonc/mdp402 |
Rivista: | |
Volume: | 21 (4) |
Pagina iniziale: | 855 |
Pagina finale: | 859 |
Codice identificativo ISI: | WOS:000276045600028 |
Codice identificativo Scopus: | 2-s2.0-77951955256 |
Codice identificativo Pubmed: | 19850642 |
Citazione: | Decreasing incidence of gastric MALT lymphomas in the era of anti-Helicobacter pilori interventions: results from a population-based study on extranodal marginal zone lymphomas / Luminari, Stefano; Cesaretti, Marina; Marcheselli, Luigi; Rashid, I.; Madrigali, Stefano; Maiorana, Antonino; Federico, Massimo. - In: ANNALS OF ONCOLOGY. - ISSN 0923-7534. - STAMPA. - 21 (4)(2010), pp. 855-859. |
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