Plasmacytosis in the Lower Lip : A Case Report

DOI Web Site 3 Citations
  • Sugimoto Tadao
    Second Department of Oral Surgery Kyushu Dental College
  • Maki Shunji
    Second Department of Oral Surgery Kyushu Dental College
  • Hosaka Tsuneo
    Second Department of Oral Surgery Kyushu Dental College
  • Tsuru Shouji
    Second Department of Oral Surgery Kyushu Dental College
  • Kurokawa Hideo
    Second Department of Oral Surgery Kyushu Dental College
  • Kajiyama Minoru
    Second Department of Oral Surgery Kyushu Dental College
  • Harada Kaoru
    Department of Dentistry and Oral Surgery Nippon Steel Corporation, Yawata Works Hospital
  • Kodama Takamori
    Department of Dentistry and Oral Surgery Nippon Steel Corporation, Yawata Works Hospital
  • Hamada Tetsuo
    Department of Surgical Pathology University of Occupational and Environmental Health
  • Koide Osamu
    Department of Pathology and Toxicologic Pathology University of Occupational and Environmental Health

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Other Title
  • 下唇に発現した形質細胞症の 1 例

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Abstract

Plasmacytosis, a benign inflammatory disease rarely found in the oral cavity, is microscopically characterized with intensive subepithelial plasmacyte infiltrate. We have recently experienced a case of plasmacytosis in the lower lip of a 68-year-old woman and reported on it with some comments. As clinical findings, the lower lip was slightly reddish with crossed white lines forming a lace pattern. Histopathological examination showed severe submucosal infiltrate of polyclonal (posotive for both λ and κ chain) plasmacytes and it was diagnosed as plasmacytosis. A steroid ointment was topically applied to the lower lip. About 4 weeks after the treatment the lesions comlpetely disappeared. The prognosis is fairly good and there is no recurrence after one year and ten months.

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