This prospective independent and multicenter study confirms the diagnostic value of FT and AT found in the princeps study and suggests that FT and AT can be an alternative to biopsy in most patients with chronic HCV.

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A 37 year-old man developed, over 20 years, multiple clustered dermatofibromas on the left thigh. Three similar cases have been described previously and the benign course of this lesion has been referred to. Analysis of collagen amino acids revealed a sharp increase of hydroxylysine on the fibrous central zone, suggesting an abnormal accumulation of type IV collagen.

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The case of a 30-year-old man with a 6-year history of eosinophilic pustular folliculitis (EPF) is reported. Isotretinoin (1 mg/kg/day) led to a dramatic improvement of all the lesions within 2 weeks. The withdrawal of the drug was followed by a recurrence after 10 days of the papulopustular f ollicular and pruritic lesions. Reintroduction of isotretinoin was successful. The benefits of isotretinoin in the treatment of EPF have to the best of our knowledge never been reported previously. The mechanisms underlying this efficacy may involve the inhibition of the eosinophilic chemotactic factors thought to be present in sebaceous lipids and in the stratum corneum of patients suffering from EPF.

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