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  • 1
    Electronic Resource
    Electronic Resource
    Sinus histiocytosis with massive lymphadenopathy: response of cutaneous lesions to PUVA (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the European Academy of Dermatology and Venereology 9 (1997), S. 0 
    Details
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-3083.1997.tb00269.x
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  • 2
    Electronic Resource
    Electronic Resource
    Relapse rates in moderately severe chronic psoriasis treated with cyclosporin A (1989)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 121 (1989), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Seventeen patients with chronic psoriasis were given cyclosporin A (CsA) 5 mg/kg per day. Twelve patients cleared within 3 months and their relapse rate, 41% at 6 months, was not significantly different from that previously reported with dithranol or PUVA. This pilot study also suggests that continuing CsA for up to 4 weeks after clinical clearance confers no advantage with regard to relapse. Significant adverse effects on renal function and blood pressure did not occur.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1989.tb01402.x
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  • 3
    Electronic Resource
    Electronic Resource
    Recovery of cutaneous immune responsiveness after PUVA therapy (1988)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 118 (1988), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We studied sensitization to dinitrochlorobenzene (DNCB) in psoriatic patients before, during and 2,4, and 6 weeks after a course of photochemotherapy (PUVA). The inhibition of sensitivity observed during PUVA was completely reversed after 6 weeks. Thus the PUVA-mediated inhibition of cutaneous immune responsiveness is of short duration. However, whether there are long-term sequelae remains to be established.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1988.tb02435.x
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  • 4
    Electronic Resource
    Electronic Resource
    HLA antigens and Langerhans cell density in contact dermatitis (1986)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 115 (1986), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We studied 67 patients with multiple contact allergies to determine whether there was an association of this state with any particular HLA antigen. HLA-A, -B and DR antigens were typed by standard serological methods. There was no significant HLA association, although there was an increased frequency of DR4 in those patients who included nickel as one of their sensitivities (64% compared with 33% in controls), and an increase in DR6 in those patients who included sensitivity to a rubber accelerator (45% compared with 16% in controls). However, when the probabilities were corrected for the number of HLA antigens tested and the number of substances in the patch test battery, these associations were no longer statistically significant. We also examined the morphology and numbers of Langerhans cells in epidermal sheets from six subjects with multiple allergies. There were no differences in appearance or numbers of Langerhans cells stained for ATPase, compared with 20 non-allergic controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1986.tb06239.x
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  • 5
    Electronic Resource
    Electronic Resource
    Reappearance of epidermal Langerhans cells after PUVA therapy (1983)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 109 (1983), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Epidermal Langerhans cells (LC) disappear during photochemotherapy (PUVA) with 8-meth-oxypsoralen (8-MOP) and long wavelength ultraviolet (UV-A) radiation. The time course of their disappearance during treatment and their reappearance after its completion was followed. Langerhans cells lost ATPase activity before they disappeared by ultrastructural criteria: thus 90% of ATPase-stained cells had disappeared after seven treatments (2 weeks) whereas it was only after fifteen treatments (5 weeks) that they were seen to be reduced on electron microscopy. Their numbers remained low throughout the course of treatment but they had returned to normal by 3 weeks after cessation of therapy.Since PUVA lamps also emit traces of medium wavelength UV (UV-B) the separate effects of UV-A and UV-B in the presence and absence of 8-MOP were examined. Within the dose range normally used for therapy, the LC disappeared only with the combination of UV-A and 8-MOP.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1983.tb03545.x
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  • 6
    Electronic Resource
    Electronic Resource
    Response of alopecia areata to DNCB: influence of auto–antibodies and route of sensitization (1981)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 105 (1981), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of treatment with topical 2,4–dinitrochlorobenzene (DNCB) were observed in fifty–one patients with alopecia areata of at least 9 months duration. Patients were sensitized either by the application of 500 μg of DNCB in acetone to the forearm, or by painting affected areas of the left side of the scalp with a 1 % solution. A mild to moderate dermatitis was maintained by weekly applications of DNCB.When the sensitizing dose was applied directly to the scalp, significantly more patients showed poor reactivity as judged by the eczematous response obtained, although the two routes of sensitization had comparable effects upon regrowth of hair.Hair regrew significantly more frequently in females. The likelihood of regrowth was reduced in patients with hair loss of long duration and in those with immunological disturbances such as autoantibodies or low T lymphocyte numbers and responses. The relationship of these factors to the disease and to the response to DNCB treatment is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1981.tb01287.x
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  • 7
    Electronic Resource
    Electronic Resource
    Impaired contact hypersensitivity in untreated psoriasis and the effects of photochemotherapy and dithranol/UV-B (1981)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 105 (1981), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Cell mediated immune reactivity was studied in eighty-five psoriasis patients and twenty-five healthy controls by an improved (quantitative) method for measuring contact hypersensitivity to 2,4 dinitrochlorobenzene (DNCB). Patients were sensitized with 500 μg DNCB, the lowest dose found to sensitize all healthy subjects. Responses to epicutaneous challenge with a series of concentrations of DNCB were measured as volumes calculated from diameter and thickness and the various groups were compared by the differences in the log dose-response curves. Patients with untreated psoriasis were less responsive than healthy controls; responses were less still in patients treated with dithranol/UV-B/tar and they were least of all in patients treated with photochemotherapy with 8-methoxypsoralen and UV-A (PUVA), particularly in those who pigmented least. Sensitization and challenge at different stages of treatment showed that both induction and elicitation of sensitization were impaired by PUVA. The possible relationship of these changes to DNCB metabolism, Langerhans cell damage and a decrease in circulating T cells is discussed. Although the clinical significance of the findings is unknown, treatment with dithranol/UV-B/tar has proved safe over many years of use.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1981.tb00792.x
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  • 8
    Electronic Resource
    Electronic Resource
    Alopecia areata and auto-immunity (1981)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 105 (1981), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The prevalence of auto-antibodies against thyroid constituents, gastric parietal cells, smooth muscle cells, mitochondria, reticulin, nuclear constituents and rheumatoid factor in 108 patients with alopecia areata was compared with that found in a previous survey of the local population. Female patients had a significantly increased prevalence of anti-thyroid antibodies which were present in 30% overall and in 44% of the youngest age group (11–17 years). Smooth muscle antibodies were more frequent in female patients but the increase was not significant. Male patients had a significantly increased prevalence of thyroid and gastric parietal cell antibodies (11.4% each). In females, antithyroid antibodies were associated with extensive hair loss: they were found in 42% of female patients with total alopecia and only 20% of males with total hair loss.A family history of alopecia areata was obtained from 24% of patients; 10% had relatives with thyroid disease and 10% had diabetic relatives. These findings confirm the association between alopecia areata and the other auto-immune diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1981.tb01200.x
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  • 9
    Electronic Resource
    Electronic Resource
    Disappearance of epidermal Langerhans cells during PUVA therapy (1981)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 105 (1981), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The numbers and morphological appearance of epidermal Langerhans cells (LCs) were studied in twenty-five patients with psoriasis receiving treatment with 8-methoxypsoralen (8-MOP) and long wavelength UV irradiation (UV-A) (PUVA). After a single exposure, LCs showed loss of fine dendritic processes. Repeated treatments resulted in a reduction of the number of LCs from the mean pretreatment value of 713/mm2 to less than 60/mm2 after seven treatments. The number of LCs remained low while treatment continued for up to 4 weeks. This finding may explain the impaired contact hypersensitivity observed in patients with psoriasis receiving PUVA therapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1981.tb01209.x
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  • 10
    Electronic Resource
    Electronic Resource
    Prevalence of solar damage and actinic keratosis in a Merseyside population (2000)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 142 (2000), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This study examines the prevalence of sun-related damage to the skin in a caucasian population in north-west England. The importance of constitutional factors (complexion, skin type and age) as well as environmental and occupational exposures for the development of actinic keratosis (AK) and skin cancers was assessed in people over 40 years of age attending outpatient clinics (non-dermatology) at four centres in north-west England (Mersey region). Nine hundred and sixty-eight volunteers (531 men and 437 women) were recruited. The overall prevalence of AK was 15·4% in men and 5·9% in women. The prevalence was strongly related to age in both sexes, being 34·1% and 18·2%, respectively, in men and women aged 70 years and above, and was most strongly related to two objective signs of sun exposure, namely degree of solar elastosis and presence of solar lentigines. The prevalence of AK was higher in subjects with red hair and freckles, particularly women. There was no evidence of an increased prevalence of AK in relation to any occupation. There was a high prevalence of seborrhoeic keratosis and viral warts in both sexes, which was age-related in the case of seborrhoeic keratosis. Ten cases of basal cell carcinoma, eight cases of Bowen’s disease and one case of malignant melanoma were identified. This study shows that the sun exposure received in ‘normal’ life in England is sufficient to cause potentially malignant skin damage in a significant proportion of the population.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.2000.03541.x
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