書誌事項
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- A case of diffuse lymphoma arising from MALT lymphoma in the oral floor
- クチ テイブ MALT リンパ シュ カラ ショウジタ ビマンセイ リンパ シュ ノ 1レイ
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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 Helicobacter pylori. This case was finally diagnosed as a diffuse large B cell lymphoma arising from MALT lymphoma.
収録刊行物
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- 日本口腔外科学会雑誌
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日本口腔外科学会雑誌 52 (4), 253-256, 2006
社団法人 日本口腔外科学会
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詳細情報 詳細情報について
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- CRID
- 1390282681510378496
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- NII論文ID
- 10018860154
- 10019576181
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- NII書誌ID
- AN00189163
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- ISSN
- 21861579
- 00215163
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- NDL書誌ID
- 7941843
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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