Content - Volume 80, Issue

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Chronic venous insufficiency (CVI) progresses through a series of clinical stages, from healthy skin to poorly healing leg ulcers. The aim of this study was to analyse the distribution pattern and activity level of urokinase-type (uPA) and tissue-type plasminogen activators (tPA) in normal skin and in tissue biopsies of progressing stages of CVI, prior to and including venous ulceration. Biopsies ...

The purpose of this study was to investigate whether the specific and non-specific inflammatory responses to allergens and irritants give rise to immuno-histochemical detectable differences in the cytokine profile in the skin. Skin biopsies taken at 0, 6, 24 and 72 h from contact allergic reactions to nickel and from irritant reactions to sodium lauryl sulphate were analysed. The main finding was ...

The role of inflammatory mediators in the pathogenesis and pathophysiology of skin diseases is now widely accepted. We analysed the profiles of inflammatory mediators in normal, sensitive (past history of eczema, but currently patch test negative) and diseased (psoriasis and eczema) skin types to identify the patterns associated with various degrees of inflammatory dermatoses. Compared with normal ...

Serological diagnosis of bullous pemphigoid is based on immunoblotting or indirect immunofluorescence on normal human salt-split skin. These methods are expensive or time-consuming and not available as a routine test in all laboratories. We used rat bladder epithelium as substrate for indirect immunofluorescence and compared it with other substrates and with immunoblotting. Twenty-nine bullous pem ...

It has been proposed that excessive and uncontrolled proteolytic activity is an important pathogenetic factor for chronic wounds. Identification of molecules that either control or reflect proteolysis in wounds may prove to be useful in determining wound healing activity. In this study wound fluid was sampled under a polyurethane dressing or on hydrophilic glass filters. Multiple chronic wound flu ...

Neopterin is a non-specific marker of the activation of cell-mediated immunity. Several studies have demonstrated the crucial role of CD4+ T cells in the pathogenesis of psoriasis. We have measured serum and urine neopterin levels and urine neopterin/creatinine ratios by radioimmunoassay in 24 patients with plaque-type psoriasis before and after a course of topical treatment with triamcinolone ace ...

Non-invasive investigations of skin morphology and function are standard tools to study the pathophysiology of several cutaneous disorders, yet they have not been used in population-based epidemiological studies. Here we examined skin surface pH, stratum corneum hydration, trans-epidermal water loss (TEWL) and skin roughness by profilometry in a study population comprising 377 primary school child ...

Data on skin reactivity in patients with respiratory atopy without atopic dermatitis are scarce and controversial. Our purpose was to assess whether skin reactivity in patients with seasonal allergic rhinitis varies according to the phase of the disease and the possible release of inflammatory mediators acting on the skin during the pollen season. The volar forearm skin of eleven patients with sea ...

Congenital capillary malformation, or port wine stains (PWS), have been treated with the pulsed dye laser since the late 1980s. Some studies have shown better results when the malformation has been located on the lateral face, forehead, neck, trunk or shoulder and inferior results, with more treatments required, when it is located on the central face area, dermatome V2 or the extremities. The purp ...

Two cases are reported illustrating a parallel course of extensive skin manifestations and lung cancer. The cases presented features of paraneoplastic acrokeratosis (Bazex's syndrome) and erythema gyratum repens though they did not completely correspond to these well-defined conditions. In both cases the cutaneous eruption appeared more than a year prior to the diagnosis of lung cancer, and the sk ...

Ointments are traditionally used in Finland for protection against facial frostbite. Recent epidemiological reports showed unexpectedly, however, that the use of ointments is a statistically considerable risk factor for frostbite of the face and ears. The effects of 4 different emollients on facial temperature were studied in 46 acute cold exposures. The voluntary test persons sat in a cold chambe ...

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