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  • Blackwell Publishing Ltd  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 143 (2000), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background  Skin cancer following solid organ transplantation is an important cause of morbidity in long-term survivors. This risk is well known but imprecisely quantified. Objectives We aimed to determine: (i) the skin cancer risks in transplant patients more precisely; (ii) whether the risk of malignant melanoma is altered; and (iii) whether the risk of epithelial cancers occurring at non-exposed sites is comparable with that seen in sun-exposed sites. Methods We linked a population-based cohort of 5356 patients who had received organ transplants in Sweden between 1970 and 1994 with the compulsory Swedish Cancer Registry, to identify all cancer cases except basal cell carcinomas, which are not registered. Results After a mean follow-up of 5·6 years post-transplantation, 172 of 5356 patients developed 325 non-melanoma skin cancers (excluding basal cell carcinomas) and six malignant melanomas. The relative risk of non-melanoma skin cancer was 108·6 [95% confidence interval (CI) 94·6–123·1] for men and 92·8 (95% CI 73·2–116·0) for women. The highest risks were noted for upper limbs, and the risk increased with time. No significant increase in malignant melanomas was noted: the relative risk was 1·6 (95% CI 0·5–3·7) for men and 0·5 (95% CI 0·0–2·6) for women. Except for the lip, which is also sun-exposed, other epithelial sites did not show comparable increases in cancer risk. Conclusions We conclude that organ transplant recipients are at a highly increased risk for non-melanoma skin cancer and must be closely followed throughout their lives. Cancer risk associated with transplantation is higher for sun-exposed than for non-sun-exposed epithelial tissues, even among populations living in regions with low solar insolation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pediatric allergy and immunology 5 (1994), S. 0 
    ISSN: 1399-3038
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The predictive value of cord blood IgE (clgE) for atopy and related disorders was investigated. Samples were collected from 792 infants delivered consecutively at the National University Hospital in Reykjavik in 1987. The concentration of IgE, but not that of IgA, was found to increase with increasing gestational age at birth. There was no correlation between IgE and IgA levels in individual samples. At the age of 18–23 months 180 of these children were studied for manifestations of allergy and related disorders. Included were all available infants with detectable (≥ 23 kU/L) clgE. However, infants born by Cesarean section or with IgA exceeding 10 mg/L were excluded because of potential contamination with maternal blood. The clinical evaluation was made without knowledge of the IgE levels. Sixty-six of the 180 participants (36.6%) were judged to have had definite allergic manifestations. However, no striking correlation was found between allergic symptoms and cIgE levels in this study, nor did high levels of IgE add significantly to the predictive value of family history. Children with atopic features had more frequently been affected by otitis media. Unexpectedly, infants with intermediate cIgE levels (0.2–0.6 kU/L) were significantly less affected by otitis media than children with unmeasurable (〈 0.2 kU/L) or high (≥ 0.7 kU/L) cIgE levels. It is concluded that cord blood IgE can not be used to predict allergic manifestations in children under the age of 2 years.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 133 (1995), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary In order to obtain a precise estimate of the relative risk of squamous cell carcinoma (SCC) in venous leg ulcers, we matched 10913 patients with the diagnosis venous leg ulcer from the Swedish Inpatient Registry with registrations of SCC of the lower limb recorded by the Swedish Cancer Registry, and found 33 cases of non-melanoma skin cancer. After scrutinizing the pathology and case records, 17 cases of SCC were considered as being certainly secondary to venous leg ulcers, whereas in six cases of remitting/relapsing ulcers the connection was probable. The relative risk calculated on 17 cases was 5·80 (95% confidence interval = 3·08–9·29). The median duration of the ulcer before the diagnosis of cancer was 25 years. The mean follow-up time of the cohort was 8·5 years. We conclude that SCC is a complication of chronic venous leg ulcers, although the absolute risk is very small.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 123 (1990), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To evaluate the possible association of malignant disease with chronic urticaria 1155 consecutive cases with chronic urticaria were reviewed. The Swedish Cancer Registry, Stockholm, was searched for records reporting malignancies in the study population (1958–1984), and the expected number of malignancies was calculated on the basis of age- and sex-standardized incidence data. A malignancy was diagnosed in 36 patients with urticaria and the expected number of malignancies was 41. In 23 patients the malignancy appeared during the same year as the onset of urticaria or later. The expected number was 25.6. We conclude that chronic urticaria is not statistically associated with malignancy in general.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 129 (1993), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary A detailed case-control study was carried out on 24 PUVA-treated patients with squamous cell cancer of the skin, and on an accurately matched control population of 96 PUVA-treated patients. Possible co-carcinogens, such as prior therapy with tar, ultraviolet-B, ionizing radiation, methotrexate and arsenic, were investigated. The only statistically significant association to emerge was that of prior therapy with methotrexate: relative risk 3.5; 95% confidence interval 1.2–9.9. Our data suggest that prior therapy with methotrexate might be a risk factor for skin cancer in PUVA-treated patients.
    Type of Medium: Electronic Resource
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