書誌事項
- タイトル別名
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- A case of myofibroma arising from the mandible in an adult
- セイジン ノ カガクコツ ニ ハッセイ シタ キン センイ シュ ノ 1レイ
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Myofibroma is a rare benign nodular tumor arising in soft tissue, bone, or internal organs. We describe an intraosseous myofibroma that occurred in an adult. A 38-year-old woman was referred to our hospital because of mobility of the right mandibular first molar in April 2007. She was aware of mobility of the mandibular molar since 2004. Panoramic radiography demonstrated a well-defined multilocular radiolucent lesion in the mandibular body. Although repeated biopsy examinations were conducted, a definitive diagnosis was difficult, and the lesion was considered a mesodermal tumor. We additionally performed immunohistochemical staining and diagnosed the tumor as a myofibroma. We resected the mandibular tumor from the right mandibular first molar to the right mandibular ramus. Microscopic examination of the surgical specimen revealed dense proliferation of spindle-shaped tumor cells forming fascicles and a pericytomatous pattern with dilated capillaries. A few mitotic figures were observed in the tumor cells, but high cellular atypia was not found. Immunohistochemically, the tumor cells were positive for vimentin and a-SMA and were negative for desmin, S-100, and NFP. There has been no evidence of recurrence as of 5 years after surgery.
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 59 (10), 643-647, 2013
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
- 1390282681509630848
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- NII論文ID
- 130004793855
- 40019842138
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- NII書誌ID
- AN00189163
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- ISSN
- 21861579
- 00215163
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- NDL書誌ID
- 024956153
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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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- 抄録ライセンスフラグ
- 使用不可