篩骨洞原発と考えられるOssifying Fibromaの1症例--Fibrous Dysplasiaとの関連

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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.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.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.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.
耳鼻咽喉科臨床学会の論文