Author:
Oh Harim,Kim Chul Hwan,Lee Yoo Jin
Abstract
AbstractThe gold standard for diagnosing bullous pemphigoid (BP) is the detection of linear deposition of IgG and/or C3 at the dermoepidermal junction using direct immunofluorescence (DIF). Because DIF has several disadvantages, primarily the requirement for frozen specimens, we assessed the diagnostic value of immunohistochemical (IHC) staining for BP detection. Eighty-eight patients with bullous lesions were included in this study. IHC staining for C3d, C4d, and IgG was performed on 88 samples, which included specimens from patients with DIF-confirmed BP (n = 43), clinicopathologically suspected BP with negative DIF results (n = 9), and other bullous diseases (n = 36). Diagnosis based on positive results for C3d, C4d, or IgG in IHC staining detected 86% of DIF-confirmed BP cases. The sensitivity of IHC staining for the detection of DIF-confirmed BP cases and clinicopathologically suspected BP cases was similar to that of DIF (80.8% vs. 84.3%), but the specificity was higher (83.3% vs. 75.0%). Five of the nine clinicopathologically suspected BP cases were diagnosed using IHC staining. Thus, IHC staining of routine biopsy material could be an alternative method for diagnosing BP. IHC staining has considerable diagnostic potential, especially in cases with a high suspicion of BP, but negative or suboptimal DIF results.Please check and confirm the author names and initials are correct. Author 2: Given name: [Chul Hwan] Family name: [Kim], Author 3: Given name: [Yoo Jin] Family name: [Lee].Checked it.
Funder
Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education
Publisher
Springer Science and Business Media LLC
Cited by
4 articles.
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