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bullous pemphigoid n a chronic skin disease affecting esp. elderly individuals that is characterized by the formation of numerous hard blisters over a widespread area
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a usually mild, self-limited, subepidermal blistering skin disease, sometimes with oral involvement, predominantly affecting the elderly; characteristics include large, tense bullae that rupture to leave denuded areas and have a tendency to heal spontaneously, and cleft formation and deposition of complement, usually with the IgG class of immunoglobulins, at the dermoepidermal junction.Medical dictionary. 2011.