Biomedical subjects
Publications and source records attributed to M Vignini.
A case of flagellate dermatitis after administration of bleomycin is reported in a patient with Hodgkin's disease. Histopathological and immunohistochemical analysis revealed a drug-induced skin toxic reaction rather than a lymphomatous infiltrate. Pigmentary changes observed after the early erythematous eruption were due to a postinflammatory effect.
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A selected group of 60 patients who had been resistant to previous systemic antibiotic therapy was treated with low-dose isotretinoin (0.5 mg/kg/day in two doses) for 12 to 20 weeks. The results confirmed the efficacy of the drug on pustular, nodular and cystic acne even with low-dose treatment. In only one case was it necessary to suspend the treatment because of an increase in serum cholesterol and triglycerides. The authors therefore advise the use of low dosage and that treatment should be restricted to cases of severe acne.
We have studied psoriatic subjects with normal weight and with overweight without inherited diabetic familiarity. The results seem to indicate the existence in psoriasis of an endogenous insulin-resistence. In this prospective the hypothesis that psoriasis carries a diabetogen risk is suggested.
The paper describes a case of an 85-year-old woman affected by psoriasis for 30 years who developed bullous pemphigoid after UVB treatment. Immunological and histological findings were typical of bullous pemphigoid cell-poor type. Bullous eruptions cleared following combined therapy with betamethasone and azathioprine. The literature on the subject and pathogenetic hypotheses for this unusual association are discussed.
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