口底部MALTリンパ腫から生じたびまん性リンパ腫の1例 A case of diffuse lymphoma arising from MALT lymphoma in the oral floor

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著者

    • 馬越 誠之 MAGOSHI Seishi
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野 Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry
    • 福田 正勝 FUKUDA Masakatsu
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野 Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry
    • 南 弘子 [他] MINAMI Hiroko
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野 Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry
    • 鈴木 正二 SUZUKI Seiji
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野 Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry
    • 草間 薫 KUSAMA Kaoru
    • 明海大学歯学部病態診断治療学講座病理学分野 Division of Pathology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry
    • 坂下 英明 SAKASHITA Hideaki
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野 Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry

抄録

We describe a case of malignant lymphoma located in the oral floor of a 72-year-old man. The patient noticed a painless mass in the oral floor, which enlarged slowly over the course of several weeks. He was referred to our department. An elastic, painless, hard tumor, 28×12mm, was located in the right side of the oral floor. Magnetic resonance imaging (T1) showed enhancement of a mass. Gallium scintigraphy showed positive results in the oral floor, but negative results for the other region. A biopsy was performed, and the pathological diagnosis was a suspected MALT lymphoma with a lymphoepithelial lesion in the oral floor.<BR>Tumor resection, including both sublingual glands and the upper layer of the mylohyoid muscle, was performed under general anesthesia.<BR>Histopathological examination revealed diffuse, nodular proliferation of large atypical lymphoid cells with round or indented nuclei and distinct nucleoli. In addition to foci of diffuse proliferations of medium-sized lymphoid cells, lymphoepithelial lesions were present. Immunohistochemical examinations revealed that the atypical cells were positive for CD20, 79a, CD45RO, and Bcl-2, but were negative for CD 10 and <I>Helicobacter pylori</I>. This case was finally diagnosed as a diffuse large B cell lymphoma arising from MALT lymphoma.

収録刊行物

  • 日本口腔外科学会雑誌  

    日本口腔外科学会雑誌 52(4), 253-256, 2006-04-20 

    Japanese Society of Oral and Maxillofacial Surgeons

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各種コード

  • NII論文ID(NAID)
    10018860154
  • NII書誌ID(NCID)
    AN00189163
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00215163
  • NDL 記事登録ID
    7941843
  • NDL 雑誌分類
    ZS44(科学技術--医学--歯科学・口腔外科学)
  • NDL 請求記号
    Z19-145
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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