The Study for Diagnostic Value of β-Catenin Immunohistochemistry Marker in Distinction of Aggressive and Non-Aggressive Basal Cell Carcinoma
Publish place: IRANIAN JOURNAL of PATHOLOGY، Vol: 14، Issue: 1
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJP-14-1_007
تاریخ نمایه سازی: 23 تیر 1398
Abstract:
Background & Objective: Basal cell carcinoma (BCC) is a common skin cancer arising from the basal layer of the epidermis and its appendages. They are locally invasive, aggressive, and destructive of skin and the surrounding structures. β-Catenin is a multifunctional protein located to the intracellular side of the cytoplasmic membrane coded by the CTNNB1 gene, which maps to chromosome 3p22.1. It has a critical role in cell-to-cell adhesion by linking cadherins to the actin cytoskeleton and has a central role in transcriptional regulation in the Wnt signaling pathway. We evaluated the diagnostic value of the Beta catenin immunohistochemistry marker in distinction of aggressive and non-aggressive Basal cell carcinoma.Methods: This cross sectional and descriptive-analytical study was done on archived formalin fixed, paraffin embedded tissue blocks in pathology library of Al-Zahra hospital in Isfahan city. We used immunochemistry to determinate the role of β-Catenin in aggressiveness in BCC with higher rate of relapse.Results: A total of 76 samples were evaluated in two groups (aggressive &none aggressive). The mean percentage of cytoplasmic β-Catenin staining in aggressive group was more significant than the other group (sensitivity: 86.8% specificity: 81.6%, PPV: 81.5% and NPV: 86.1%) and the mean percentage of membranous β-Catenin staining in non-aggressive group were significant more than the aggressive group. Intensity of membranous staining in both groups significant less than normal epithelium.Conclusion: Cytoplasmic β-Catenin staining in aggressive BCC is more significant than non-aggressive subtypes, so this indicates that the use of β-Catenin IHC marker maybe helpful in the diagnosis of aggressive BCC.
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Authors
Parvin Rajabi
Dept. of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
Mitra Hydarpoor
Dept. of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
Ahmadreza Maghsoudi
Internal Medicine Dept., Isfahan University of Medical Sciences, Isfahan, Iran
Fatemeh Mohaghegh
Dept of Dermatology, Medicine School, Isfahan University of Medical Sciences, Isfahan, Iran