A Case of Ossifying Fibroma of the Ethmoid Region

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  • し骨どう原発と考えられるＯｓｓｉｆｙｉｎｇ　Ｆｉｂｒｏｍａの一症例　　Ｆｉｂｒｏｕｓ　Ｄｙｓｐｌａｓｉａとの関連
  • シコツドウ ゲンパツ ト カンガエラレル Ossifying Fibroma
  • Fibrous Dysplasia との関連

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Abstract

The classification of benign fibro-osseous lesions is not unequivocal. It is especially difficult to distinguish ossifying fibroma from fibrous dysplasia. We report two cases of these benign fibro-osseous lesions here.<br>The first case was a 37-year-old female complaining of right-sided exophthalmus and nasal obstruction. Radiographically, the border of the lesion was well defined. This lesion was totally removed while preserving the orbital contents and histo-pathologically was diagnosed as ossifying fibroma.<br>The second case was a 15-year-old male complaining of painless swelling of the right cheek. Radiographically the border of the lesion was not well defined. He underwent curretting and histopathologically this lesion was diagnosed as fibrous dysplasia.<br>These two lesions were analyzed with respect to clinical, surgical, radiographical and histopathological features. As a result of the analysis, we conclude that ossifying fibroma was not identical with fibrous dysplasia.

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