The many clinical aspects of anti-p200 pemphigoid are not well-characterized. We aimed to analyze and correlate known existing data on the epidemiological, clinical, histological, and immunological features of anti-p200 pemphigoid. We performed a review using Medline, Embase, and Web of Science databases (1900–2018). Case reports and series of patients were included. A total of 68 eligible studies that comprised 113 anti-p200 pemphigoid patients were included in the qualitative analysis, where there was a mean age of onset of 65.5 years. All patients presented with bullae/vesicles, and 54.3% had urticarial plaques. A similarity to bullous pemphigoid was reported in 66.1% of cases, but palmoplantar (51.4%), cephalic (40.3%), and mucosal (38.5%) involvement, besides frequent development of scars/milia (15.7%), were reported. Autoantibodies against recombinant laminin γ1 were detected in the sera of 73.1% of patients. Psoriasis was present in 28.3% of anti-p200 pemphigoid patients, particularly among Japanese patients (56.4%). The incidence of pustular psoriasis in this subgroup, was significantly greater than in the normal population. In conclusion, the diagnosis of anti-p200 pemphigoid may be suspected when a subepidermal autoimmune blistering disease develops in a younger age group, along with significant acral and cephalic distribution and mucosal involvement.
Thirty-six patients with bullous pemphigoid (BP) have been periodically evaluated for four years. This study demonstrates that BP may occur in a transient predominantly localized form that remits spontaneously, and most BP patients after successful therapy remain in prolonged clinical remission. In this study, all patients with active or recurrent disease had IgG and/or C3 basement membrane zone (BMZ) deposition. Serum anti-BMZ antibodies was an inconstant feature. In most instances, clinical remission of BP was associated with disappearance of BMZ ig and C3 deposition and serum BMZ antibodies. Fluorescein-conjugated, antihuman C3 appears to be a more sensitive immunoreagent than antihuman, class specific, immunoglobulin antisera in detecting positive BMZ staining in BP. Combined therapy with azathioprine plus prednisone appears to be superior to prednisone alone in the treatment of BP.
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