이하선에 발생한 혼합 아형의 암종들로 구성된 다형선종 유래 암종 1예

• 영문명: A Case of Parotid Carcinoma Ex Pleomorphic Adenoma with Mixture of Malignant Subtypes
• 발행기관: 대한두경부종양학회
• 저자명: 조윤진(Youn Jin Cho) 조영록(Young Rok Jo) 이상엽(Sang-Yeop Lee) 이혜란(Hye Ran Lee)
• 간행물 정보: 『대한두경부종양학회지』제40권 제1호, 37~41쪽, 전체 5쪽
• 주제분류: 의약학 > 종양학
• 파일형태: PDF
• 발행일자: 2024.05.30

영문 초록

Carcinoma ex pleomorphic adenoma is an uncommon malignant salivary gland tumor that arises from a longstanding pleomorphic adenoma. The carcinomatous component of carcinoma ex pleomorphic adenoma can possess virtually any histologic subtype of salivary gland cancer. We experienced a case of a 61-year-old patient who presented with a right parotid mass that was initially palpated 20 years ago, with a sudden increase in size in the last few months. Radiological and cytological findings from fine needle aspiration biopsy could not exclude malignancy. Total parotidectomy and selective neck dissection were performed for treatment, and carcinoma ex pleomorphic adenoma with mixed carcinoma components of salivary duct carcinoma and myoepithelial carcinoma was diagnosed. After receiving postoperative radiation of 6000 cGy over 6 weeks, there has been no recurrence up to the 18-month follow-up. We report this rare case of carcinoma ex pleomorphic adenoma with mixed malignancy subtypes, accompanied by a review of literature.

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키워드

Parotid cancers Carcinoma ex pleomorphic adenoma Salivary duct carcinoma Myoepithelial carcinoma