The British journal of dermatology
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An association between dermatomyositis (DM)/polymyositis (PM) and malignancies has been widely reported in the literature. The validity of extensive evaluation for malignancies in those patients has also been questioned for decades. Only limited papers regarding the signs of malignancy and the prognostic factors in DM/PM have been reported. ⋯ The two independent predictive factors for malignancy (P < 0.05) in patients with DM/PM were an older age at onset (> 45 years) and male gender. The primary idiopathic DM group was shown to have higher risk of developing internal malignancies, especially NPC. However, this was not identified as an independent predictive factor for concomitant neoplastic diseases in multivariate analysis. In addition, patients who had the complication of interstitial lung disease had a significantly lower frequency of malignancies (P < 0.001).
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Atopic diseases are common in children and adolescents. However, epidemiological knowledge is sparse for hand eczema and allergic contact dermatitis in this age group. Furthermore, no population-based studies have evaluated the prevalence of atopic diseases and hand and contact dermatitis in the same group of adolescents. ⋯ High prevalence figures were found for atopic diseases, hand eczema and allergic contact dermatitis, and the diseases were closely associated. A considerable number of adolescents still suffers from AD, and a considerable sex difference was noted for hand eczema and allergic contact dermatitis. Nickel allergy and perfume allergy were the major contact allergies. In the future this cohort of eighth grade school children will be followed up with regard to the course and development of atopic diseases, hand eczema and contact dermatitis.
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Atopic dermatitis (AD) is the most common inflammatory skin disorder and an important cause of morbidity in young children in the U.K. Such disability produces significant economic burden reflected in direct medical costs associated with health service utilization, direct family care costs such as transport costs, indirect costs associated with loss of productivity of carers, and intangible costs associated with the psychological effects of the disease. ⋯ The results signify that AD is an important cause of economic burden both to the NHS and to the families of affected children. Using population census data and the results in this study, we estimated that the annual U.K. cost of AD in children aged 1-5 years in 1995-96 was pound47 million.