Content - Volume 78, Issue

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Allergic contact dermatitis and irritant contact dermatitis have different pathogenic mechanisms. It is therefore plausible that the epidermal expression of HLA-DR and the invariant chain associated with antigen processing and presentation might differ between allergic contact dermatitis and irritant contact dermatitis. We have quantified the volume of epidermal HLA-DR and invariant chain reactiv ...

The consequences of rhythmical arteriolar vasomotion for nutrition and the tissue oxygen supply to human skin are largely unknown. In the study presented here, the periodic variations of haemoglobin oxygenation in the small cutaneous vessels have been evaluated with a new reflection spectrophotometer. For the assessment of spatial variations, we examined 24 different sites in 20 healthy volunteer ...

Palmoplantar keratodermas (PPK) constitute a heterogeneous group of diseases marked by the thickening of palms and soles of affected individuals. They are divided into autosomal dominant and autosomal recessive groups by the mode of transmission. The autosomal dominantly transmitted group is further divided into epidermolytic (EPPK, Voerner) and non-epidermolytic (NEPPK, Unna-Thost) types accordi ...

Ichthyosis bullosa of Siemens is a rare autosomal dominant skin disorder whose clinical findings are quite similar to those of epidermolytic hyperkeratosis. The differences between those two diseases include absence of erythroderma and different distributions in the skin in ichthyosis bullosa of Siemens. Recent studies have confirmed that ichthyosis bullosa of Siemens is caused by the mutation in ...

SS-A/Ro autoantibodies are detected at high levels in patients with autoimmune diseases such as systemic lupus erythematosus. It has been reported that natural estrogen is capable of inducing cell surface expression of SS-A/Ro autoantigens in human epidermal keratinocytes. In this study, we analysed, by reverse transcriptase polymerase chain reaction and immunohistochemistry, the effects of estro ...

Atopic dermatitis is a chronic, relapsing inflammatory skin disorder characterized by local infiltration of T cells. To date, numerous reports have shown that Staphylococcus aureus may exacerbate atopic dermatitis, and superantigens produced by this organism are thought to be one of the major causative factors in atopic dermatitis. The purpose of this study was to evaluate the role of staphyloco ...

For the purpose of discovering natural products which possess hair growing activity, we examined about 1000 kinds of plant extracts concerning growth-promoting activity with respect to hair follicle cells. After an extensive search, we discovered that proanthocyanidins extracted from grape seeds promote proliferation of hair follicle cells isolated from mice by about 230% relative to controls (10 ...

The murine local lymph node assay is a method for predictive testing of contact allergenicity, but its ability to discriminate between allergens and irritants has been questioned. To explain some of the conflicting results with irritants, the proliferation induced by methyl salicylate and nonanoic acid, both considered to be non-sensitisers, was further investigated. Both substances showed a dose ...

Treatment of chronic leg ulcers consumes considerable primary care resources. For the patient, it often entails restrictions in everyday life. This study describes the results of 84 skin transplantations on 45 patients with 55 ulcerated limbs, using the pinch graft technique, performed in primary care from 1987-1993. The healing rate after 12 weeks for venous ulcers was 45%, and for neuropathic u ...

Chronic urticaria can result from multiple causes. A number of factors have been identified that can appear to be important in the pathogenesis of individual cases, including intolerance to food, drugs, some internal diseases and some infections. Recently a possible relationship between chronic urticaria and Helicobacter pylori has been suggested. One hundred and twenty-five patients were investi ...

This study was designed to evaluate the effect of selective photothermolysis on dark pigmented hair follicles treated with a normal-mode ruby laser (694-nm wavelength, pulse duration 0.5 ms, fluence 20 J/cm2, spot size 2 mm). In 15 volunteers, four test areas each were selected. After shaving, the first area was irradiated once, the second twice, the third three times and the fourth served as con ...

The pulsed dye laser is the treatment of choice for port-wine stains. In this study we evaluate the importance of preoperative skin pigmentation and skin redness for the development of side effects from one treatment with the pulsed dye laser. A risk assessment is performed and skin reflectance measurement objectifies postoperative pigmentary changes. Fourteen human volunteers (skin types I to V) ...

We developed a disease-specific 9-item Acne Quality of Life scale that is sensitive to changes in patient-rated indices of acne severity and the psychological morbidity that is associated with acne. Seventy patients with mild to moderate acne vulgaris completed a 12-item scale that was developed to assess both the social and vocational impacts of acne. Factor analysis revealed the presence of two ...

We report a 31-year-old female patient with cutaneous sarcoidosis, who showed a complete remission of her single system skin disease after an 8-month therapy with oral isotretinoin (1 mg/kg/day). At 15-month follow-up, the patient still remained free of recurrence and visceral involvement.

Previous studies have shown that magnetic resonance imaging is more sensitive in assessing soft tissue and bone involvement in inflammatory arthritis than conventional radiography. Therefore the main objects of this study were to evaluate the frequency of hand involvement in psoriatic patients free from arthritic symptoms, and to compare the results with those of a healthy control population (age ...

The lack of a quantitative method for assessing psoriasis severity poses a problem for quality control in dermatology. Quantitative estimation of involved surface area is important, as in the psoriasis area and severity index (PASI), but the reliability of many methods is poor. The purpose of this study was to assess the involved surface area of 15 psoriasis patients before and after different an ...

We report the development of malalignment of the nail following lateral longitudinal biopsy of the nail unit in seven subjects. The lateral biopsies were in excess of the routine 3 mm diagnostic biopsy performed for investigation of a nail dystrophy, being indicated for excision of focal pathology. Deviation of the distal nail towards the side of excision might be accounted for by one or both of ...

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