| Titre : | Frequency of specific cancer types in dermatomyositis and polymyositis : a population-based study. (2001) |
| Auteurs : | Catherine-L HILL ; Antti AIRIO ; Stephen-R EVANS ; David-T FELSON ; Lene MELLEMKJAER ; Eero PUKKALA ; Bardur SIGURGEIRSSON ; YUQING ZHANG . (.) ; Boston University Arthritis Center. A203. Boston. MA. USA |
| Type de document : | Article |
| Dans : | Lancet (The) (vol. 357, n° 9250, 2001) |
| Pagination : | 96-100 |
| Langues: | Anglais |
| Mots-clés : | Cancer ; Facteur risque ; Epidémiologie ; Suède ; Europe ; Danemark ; Finlande ; Complication ; Homme ; Peau [pathologie] ; Muscle strié [pathologie] ; Maladie autoimmune ; Immunopathologie |
| Résumé : | [BDSP. Notice produite par INIST PR0xhEeh. Diffusion soumise à autorisation]. Background Dermatomyositis and polymyositis are associated with cancer, but previous nationwide studies have not had sufficient cases to test the association between myositis and specific cancer types. Our aim was to investigate the risk of specific cancer types in individuals with dermatomyositis and polymyositis. Methods We did a pooled analysis of published national data from Sweden, Denmark, and Finland. All patients with dermatomyositis and polymyositis (>=15 years old) were identified by discharge diagnosis from the Swedish National Board of Health (1964-83), Danish Hospital Discharge Registry (1977-89), and Finnish National Board of Health (1969-85). Personal details were matched to national cancer registries, to identify all cases of cancer up to 1987 in Sweden, 1995 in Denmark, and 1997 in Finland, and to national death registries for the same periods. We calculated standardised incidence ratios (SIR) for individual cancer sites for dermatomyositis and polymyositis separately, using national cancer rates by country, sex, age, and date. Findings We identified 618 cases of dermatomyositis, of whom 198 had cancer. 115 of the 198 developed cancer after diagnosis of dermatomyositis. This disease was strongly associated with malignant disease (SIR 3.0,95% CI 2.5-3.6), particularly ovarian (10.5,6.1-18.1), lung (5.9,3.7-9.2), pancreatic (3.8,1.6-9.0), stomach (3.5,1.7-7.3), and colorectal (2.5,1.4-4.4) cancers, and non-Hodgkin lymphoma (3.6,1.2-11.1). (...) |
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