Abstract::Plasmacytosis circumorificialis (PC) , a benign inflammatory mucosal disease rarely found around orifices of the body, is histologically characterized by dense plasma cell infiltration. A 56-year-old woman presented with bandlike redness of the anterior mandibular gingiva with superficial pain. Histopathologically, inflammatory cell infiltration including mainly plasma cells was observed. Immunohistochemical staining revealed these cells were positive for immunoglobulin kappa and lambda light chain. Treatment… Show more
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