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Background: Pemphigus encompasses a group of life-threatening autoimmune bullous diseases characterized by blisters and erosions of the mucous membranes and skin. Before the era of immunosuppressive treatment, pemphigus was almost always fatal. Due to its rarity, only few randomized controlled therapeutic trials are available. Recently, rituximab has been approved as first-line treatment for moderate and severe pemphigus vulgaris in Europe and the United States., Objectives: The Autoimmune blistering diseases Task Force of the European Academy of Dermatology and Venereology (EADV) has initiated a throughout update of the guideline for the management of patients with pemphigus., Results: The guidelines for the management of pemphigus were updated, and the degree of consent among all task force members was included. The final version of the guideline was consented by the European Dermatology Forum (EDF) and several patient organizations., (© 2020 European Academy of Dermatology and Venereology.)

Background: Oral isotretinoin (Roaccutane) revolutionized the treatment of acne when it was introduced in 1982., Methods: Twelve dermatologists from several countries with a special interest in acne treatment met to formally review the survey of their last 100 acne patients treated with oral isotretinoin. The primary purpose of the survey was to identify the types of acne patients who were prescribed oral isotretinoin and how the patients were managed., Results: Of the 1,000 patients reviewed, 55% of those who received oral isotretinoin had those indications treated historically, i.e. severe nodular cystic acne or severe inflammatory acne, not responding to conventional treatment. Forty-five percent of patients who were prescribed oral isotretinoin however had either moderate or mild acne. Most patients in this group had moderate acne (85%). However, 7.3% had mild acne on physical examination. The criteria for prescribing oral isotretinoin in this less severe group of patients included acne that improves < 50% after 6 months of conventional oral antibiotic and topical combination therapy, acne that scars, acne that induces psychological distress and acne that significantly relapses during or quickly after conventional therapy. Treatment is usually initiated at daily doses of 0.5 mg/kg (but may be higher) and is increased to 1.0 mg/kg. Most of the physicians aimed to achieve a cumulative dose of > 100-120 mg/kg. Mucocutaneous side-effects occur frequently but are manageable while severe systemic side-effects are rarely problematic (2%). The teratogenicity of oral isotretinoin demands responsible consideration by both female patients and their physicians. Significant cost savings when treating acne patients with oral isotretinoin as compared to other treatment modalities were further proven in this study., Conclusions: Our recommendation is that oral isotretinoin should be prescribed not only to patients with severe disease but also to patients with less severe acne, especially if there is scarring and significant psychological stress associated with their disease. Acne patients should, where appropriate, be prescribed isotretinoin sooner rather than later.

Papuloerythroderma (PE) is a rare type of erythroderma of the elderly which results from the coalescence of sheets of papules that spare skin folds, with peripheral eosinophilia in most cases. Skin biopsy shows a nonspecific eczematous pattern with a mature T cell lymphocytic and eosinophilic infiltrate with Langerhans cells in the dermis. We report 2 cases of PE. The 1st case, in which no underlying malignancy could be found, responded partially to oral etretinate, topical steroid creams and tar derivates. The 2nd case did not respond to high-dose oral steroids and was associated with adenocarcinoma of the colon, with a fatal outcome. PE has been associated with lymphoma and carcinoma. We report the first European case of PE associated with visceral carcinoma and review the cases reported in the western literature.