書誌事項
- タイトル別名
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- A case of osteoblastoma arising in the mandible of a child
- ショウニ ノ カガクコツ ニ ハッセイ シタ コツガ サイボウ シュ ノ 1レイ
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抄録
Osteoblastoma is a rare bone tumor that involves abnormal bone and osteoid tissue formation. It was classified as an intermediate( locally aggressive) tumor by the WHO in 2013. We describe a case of mandibular osteoblastoma in a 9-year-old boy whose chief complaint at initial consultation was facial asymmetry. Radiographic examination showed a well-defined radiopaque region measuring approximately 26 × 21 mm in diameter that was partially surrounded by a radiolucent area. In the right side of the mandible, the second premolar was impacted by the tumor. Biopsy findings suggested an osteoblastic neoplasm with an MIB-1 index of about 1%. Based on these findings, we planned to perform curettage of the tumor. A histologic examination of the excised specimen revealed it was mainly composed of abundant connective tissue showing active angiogenesis and osteoid bone covered with osteoblast-like cells, thus confirming our initial diagnosis. The postoperative course was uneventful. One year 8 months after the operation the impacted tooth had erupted spontaneously. This case suggests that it might be feasible to preserve permanent teeth impacted by an osteoblastoma.
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 61 (6), 350-354, 2015
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
- 1390282681507451520
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- NII論文ID
- 130005105660
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- NII書誌ID
- AN00189163
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- ISSN
- 21861579
- 00215163
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- NDL書誌ID
- 026576608
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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