Histopathological study of lichen planus shows:___________?
Correct answer: C. Presence of T-lymphocytes predominantly
- A. Mixed cellular inflammatory infiltrate
- B. Antiepithelial antibodies
- C. Presence of T-lymphocytes predominantly
- D. Scattered infiltrate with ill-defined lower border
Explanation
Lichen planus is a T-cell-mediated interface mucositis, so histology shows a dense, predominantly T-lymphocytic band beneath the epithelium. Antiepithelial antibodies are more relevant to vesiculobullous autoimmune diseases such as pemphigus.
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