The WHO has classified malignant mixed tumours of salivary glands into noninvasive carcinoma in pleomorphic adenoma, invasive carcinoma in pleomorphic adenoma, carcino-sarcoma and metastasizing mixed tumour.~1 Carcino...The WHO has classified malignant mixed tumours of salivary glands into noninvasive carcinoma in pleomorphic adenoma, invasive carcinoma in pleomorphic adenoma, carcino-sarcoma and metastasizing mixed tumour.~1 Carcinosarcoma, or true malignant mixed tumour, is a tumour composed of both carcinomatous and sarcomatous elements. It is an exceedingly rare tumour of the salivary glands and only about 60 cases have been reported.~2 In this report we describe a case of carcinosarcoma of a parotid gland that contained an unusual mesenchymal component (follicular dendritic cell sarcoma, FDCS) in a 55-year-old man with cytological, histological and immunohistochemical findings. To our knowledge, this histological pattern has not been reported previously in the English literature.展开更多
文摘The WHO has classified malignant mixed tumours of salivary glands into noninvasive carcinoma in pleomorphic adenoma, invasive carcinoma in pleomorphic adenoma, carcino-sarcoma and metastasizing mixed tumour.~1 Carcinosarcoma, or true malignant mixed tumour, is a tumour composed of both carcinomatous and sarcomatous elements. It is an exceedingly rare tumour of the salivary glands and only about 60 cases have been reported.~2 In this report we describe a case of carcinosarcoma of a parotid gland that contained an unusual mesenchymal component (follicular dendritic cell sarcoma, FDCS) in a 55-year-old man with cytological, histological and immunohistochemical findings. To our knowledge, this histological pattern has not been reported previously in the English literature.
文摘目的利用腮腺显像研究鼻咽癌放疗后腮腺的摄取与排泄功能。方法 48例鼻咽癌患者中,对38例肿瘤和肿大淋巴结行加速调强放疗(SMART),其亚临床灶和预防照射区接受常规照射;余10例行常规放疗。放疗前后均行腮腺显像,计算腮腺的放射性摄取指数(UI)及酸性刺激后排泌指数(EI),对腮腺功能损伤情况进行分析;同时记录患者口干程度并分级。结果鼻咽癌 SMART组放疗后腮腺 UI 和 EI 分别下降21.9%和37.3%,中重度口干者12例;而常规放疗组腮腺功能明显下降,UI 和 EI 分别下降56.1%和96.1%,中重度口干者9例,两者比较差异均有显著性(P<0.05)。结论腮腺显像可灵敏地监测鼻咽癌放疗后腮腺功能。