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Title: Epidemiology of classic and nodular lymphocyte predominant hodgkin lymphoma in Finland in 1996-2015. Author: Juntikka T, Malila N, Ylöstalo T, Merikivi M, Jyrkkiö S. Journal: Acta Oncol; 2020 May; 59(5):574-581. PubMed ID: 31910680. Abstract: Background: The aim was to describe the incidence and mortality of Hodgkin lymphoma (HL) in Finland in 1996-2015 including classic Hodgkin lymphoma (cHL) subtypes and nodular lymphocyte predominant Hodgkin lymphoma (NLPHL).Material and Methods: This study included 2851 HL cases registered in the population-based Finnish Cancer Registry between 1996 and 2015. All not otherwise specified (NOS) morphology codes were manually checked and re-coded into cHL subtypes or NLPHL according to the International Classification of Diseases for Oncology 2011, if possible. Thereafter, we analyzed the incidence and mortality of HL by age, gender and time trends and by subtypes.Results: According to our registry-based study, the incidence of HL was increasing with a 5-year rate of change of 0.3% (95% confidence interval 0.2-0.5), and the mortality was decreasing with -2.8% (95%CI -3.8 to -1.8) correspondingly. The incidence of nodular sclerosis (NS) was 1.57/100 000 person years (n = 1529) and the incidence and mortality remained constant over 1996-2015. The incidence of mixed cellularity (MC) was 0.32/100 000 (n = 453) and it was decreasing with -2.2% (95%CI -3.7 to -0.5), yet the mortality was increasing with 2.7% (95%CI 1.9-3.6). The incidence of NLPHL was 0.29/100 000 accounting for 13% of all HL diagnoses (n = 374), and the incidence and mortality remained constant over the study period. The incidence of lymphocyte-rich (LR) subtype was 0.20/100 000 (n = 252) and remained constant while the mortality decreased. There were only 30 cases of lymphocyte depletion (LD) HL. In this study, 36% of all HL patients were over 50 years old.Conclusion: The incidence of HL is slightly increasing and the mortality is decreasing in Finland. NLPHL represents 13% of all HL cases in Finland. Over one third of HL patients are over 50-year-old.[Abstract] [Full Text] [Related] [New Search]