A Case of Recurrent Multiple Myoepithelioma in Cheek
협부에서 재발한 다발성 근상피종 1예
김, 철호; 한, 재호; 신, 중욱; 문, 인석
Taehan Ibi Inhukwa Hakhoe chi, 46(12):1092-1096, 2003
Taehan Ibi Inhukwa Hakhoe chi; Journal of the Korean Otolaryngological Society; 대한이비인후과학회지
Myoepithelioma, adenomas consisting only of myoepithelial cells, are very rare tumors that comprise 1% or less of salivary neoplasms. Myoepithelioma resembles pleomorphic adenomas in its appearance and growth pattern but is more aggressive than pleomorphic adenoma. Myoepithelioma rarely transforms into malignant myoepithelioma like pleomorphic adenoma. We report a case of myoepithelioma with low malignant potential of the minor salivary gland in cheek and accessory parotid gland on its third recurrency, progressing from benign myoepithelioma. The third recurrency showed more aggressive clinical features and more frequent mitotic features than the first and second recurrent tumor.
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