Parotid Gland Carcinosarcoma with Osteosarcoma as a Sarcomatous Component: A Case Report with Fine Needle Aspiration Cytologic Findings
장세민, 전영진, 장기석, 백승삼,
소속 상세정보
장세민 ( Jang Se-Min )
Hanyang University College of Medicine Department of Pathology
전영진 ( Jun Young-Jin )
Hanyang University College of Medicine Department of Pathology
장기석 ( Jang Ki-Seok )
Hanyang University College of Medicine Department of Pathology
백승삼 ( Paik Seung-Sam )
Hanyang University College of Medicine Department of Pathology
KMID : 0357920110450040412
Abstract
Carcinosarcoma of the salivary glands is a rare malignant tumor showing both malignant epithelial and mesenchymal components. Herein, we present a carcinosarcoma of the parotid gland in a 67-year-old man consisting of osteosarcoma and adenocarcinoma components with fine needle aspiration cytological findings. The tumor was composed predominantly of osteosarcoma and small areas of adenocarcinomatous components and a hyalinized nodule reminiscent of pleomorphic adenoma. The tumor showed infiltrative growth features with perineural, lymphatic, and vascular invasion. Despite postoperative adjuvant radiation therapy, multiple metastatic lesions occurred in the both lungs 5 months after surgery. As salivary gland carcinosarcoma has been known to demonstrate highly aggressive behavior, an accurate pathological diagnosis is prerequisite for appropriate treatment.
키워드
Carcinosarcoma;Osteosarcoma;Adenocarcinoma;Fine-needle aspiration cytology;Parotid gland
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