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IntroductionThe association of idiopathic inflammatory myositis (IIM) and malignancies has been reported, but rarely in Asian countries. Our aim was to investigate the risk of cancer among IIM patients without a prior history of malignancies, in Taiwan.MethodsWe conducted a nationwide cohort study of 1,012 patients with dermatomyositis (DM) and 643 patients with polymyositis (PM), but without prior history of malignancies, utilizing the National Health Insurance Database from 1997 to 2007. Standardized incidence ratios (SIRs) of cancers were analyzed.ResultsA total of 95 cancers (9.4%) in DM and 33 cancers (4.4%) in PM were identified. Overall cancer risk was significantly elevated in DM patients (SIR = 5.11, 95% confidence interval [CI] = 5.01 to 5.22) and PM patients (SIR = 2.15, 95% CI = 2.08 to 2.22). Most cancers were detected in the first year of observation. The risk of cancer decreased with observation time, yet remained elevated compared with the general population in both study groups after 5 years of follow-up. DM was associated with sustained elevated risk of cancers in every age group, whereas the risk of cancer in PM was highest in younger patients and decreased with age. DM patients were at the greatest risk of cancers of the nasopharynx, lungs and hematopoietic malignancies.ConclusionsPatients with IIM are at increased risk for cancer and should receive age-appropriate and gender-appropriate malignancy evaluations, with additional assessment for nasopharyngeal, lung and hematologic malignancy following diagnosis, and with continued vigilance for development of cancers in follow-up.

The aim of this study was to determine the prevalence, treatment modalities and comorbidity of psoriasis in Taiwan. A nationally representative cohort of 1,000,000 individuals from the National Health Insurance database was followed up for the years 2000 to 2006. Their claims data was used for an epidemiological study. The mean one-year prevalence of psoriasis was 0.23% for men and 0.16% for women, respectively. The prevalence of psoriasis increased more rapidly in male patients aged 30 years and over and reached its peak in patients aged 70 years and over, regardless of sex. Overall, 98.4% of patients received treatment with topical corticosteroids, while 13.1% used Chinese herbal medicines and 13.6% received systemic treatment. Patients with psoriasis had a higher comorbidity of diabetes, hyperlipidaemia, and hypertension. In conclusion, in contrast to Caucasians, the prevalence of psoriasis in Taiwanese people is high er in men than in women and the prevalence increases significantly in patients over 70 years of age.

Highlights d First deep proteogenomic landscape of non-smoking lung adenocarcinoma in East Asia d Identified age, sex-related endogenous, and environmental carcinogen mutagenic processes d Proteome-informed classification distinguished clinical features within early stages d Protein networks identified tumorigenesis hallmarks, biomarkers, and druggable targets

Objective. The association of rheumatoid arthritis (RA) and malignancy has rarely been explored in Asian populations. The aim of this study was to investigate the relative risk of cancer in Taiwanese patients with RA and to identify groups of patients with a high risk of cancer.Methods. We conducted a nationwide cohort study of the risk of cancer among 23,644 patients with RA who had no history of malignancies, using the National Health Insurance database of Taiwan

To evaluate the role of leptin, a 16-kDa adipocyte-derived hormone, in the development of metabolic dysregulation of psoriasis.