Immunohistochemistry profile of inflammatory cells in lichen planopilaris and discoid lupus erythematosus

نویسندگان

  • Ershadi Sarah
  • Malekzad Farhad
  • Roudsari Mohammad Rahmati
  • Sabeti Shahram
  • Tonkaboni Mihan Pourabdollah
  • Yousefi Forough
چکیده مقاله:

Background: Scarring (cicatricial) alopecia represents a complex group of inflammatory disorders, mainly characterized by destruction of the hair follicle unit. Lichen planopilaris (LPP) and discoid lupus erythematosus (DLE) are the two main causes of primary cicatricial alopecia (PCA), both leading to hair follicle destruction and irreversible alopecia. However, they are different in pathogenesis and sometimes are diagnostically challenging.Methods: Twenty-eight formalin-fixed paraffin-embedded (FFPE) specimens of skin biopsies from 17 patients with a clinicopathologic diagnosis of LPP and 11 patients diagnosed as DLE were included. Histopathological study was performed with Haematoxylin and Eosin (H&E)-stained slides; then, immunohistochemical staining (IHC) was performed against CD20, CD3, CD4, and CD8 to evaluate and compare the type and distribution pattern of dermal inflammatory infiltrate.Results: Immunohistochemical findings showed a predominance of T-cells in both groups. CD8+ T-cells were significantly more abundant in LPP (15 cases with 10-50% of infiltration) than DLE (11 cases with

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عنوان ژورنال

دوره 18  شماره 3

صفحات  108- 115

تاریخ انتشار 2015-07-01

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