Bullous pemphigoid (BP) is a chronic autoimmune subepidermal blistering disease primarily affecting the elderly with a significant risk of mortality and morbidity. Various inflammatory cells such as eosinophils, lymphocytes, neutrophils and their granulopoiesis play an important role in the pathogenesis of BP. Infiltration of peripheral blood eosinophils, lymphocytes, and neutrophils into the skin is considered a major feature of BP, making it a heterogeneous disease with different histologic and clinical subtypes. This clinical study was conducted to further investigate the impact of different pathologic phenotypes of BP on the treatment and prognosis of the disease. A retrospective epidemiologic investigative approach was used，and case collection included demographic information, medical history, clinical manifestations, and histopathologic features. Including gender, age, duration of disease, number of days of hospitalization, mucosal involvement, clinical diagnosis before admission, histopathological diagnosis, laboratory tests, concomitant diseases, treatment and its changes in laboratory indexes before and after treatment.
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Bullous Pemphigoid Disease Area Index (BPDAI) severity score
Timeframe: 10 years