Immunobullous Diseases
Rook's Textbook of Dermatology(2024)
Abstract
Abstract The immunobullous disorders represent a group of conditions characterised by antibody‐mediated autoimmune responses against structural elements of the skin resulting in blistering of the skin and/or mucosae. Antibody targets include proteins in the hemidesmosomes basement membrane zone and superficial dermis (pemphigoid group), desmosomes (pemphigus group) and epidermal and tissue‐type transglutaminase (dermatitis herpetiformis). If left untreated, immunobullous disorders are associated with significant morbidity and mortality and thus prompt, accurate diagnosis and treatment are mandatory. Therapeutic options include corticosteroids, steroid‐sparing immunosuppressants such as azathioprine, mycophenolate mofetil and anti‐inflammatory agents such as dapsone and tetracyclines. In severe and/or refractory patients, intravenous immunoglobulin, immunoadsorption and anti‐B‐cell agents such as rituximab may be of benefit. Indeed, recently international and European guidelines have recommended the use of rituximab as first line treatment in moderate and severe pemphigus vulgaris and foliaceous.
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