Carcinoma ex pleomorphic adenoma composed of three malignant components in parotid gland:A case report and literature review
10.13481/j.1671-587x.20170637
- VernacularTitle:3种恶性成分的腮腺区多形性腺瘤癌变1例报告及文献复习
- Author:
Lanfang SUN
1
;
Xin JI
;
Ce SHI
;
Ruyu HAN
;
Ning ZHANG
;
Minglin HAN
;
Minghe LI
;
Chengmin HAN
Author Information
1. 吉林大学口腔医院口腔颌面外科
- Keywords:
carcinoma ex pleomorphic adenoma;
pleomorphic adenoma;
non-specific adenocarcinoma;
duct neoplasms;
myoepithelial neoplasms
- From:
Journal of Jilin University(Medicine Edition)
2017;43(6):1265-1267,后插3
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the diagnosis and prognosis of one patient with carcinoma ex pleomorphic adenoma (CXPA)composed of three malignant components in parotid gland,and to raise the clinicians'awareness of the disease.Methods:A patient was presented to hospital because of the mass in left parotid gland region for more than 30 years and the accompanied pain lasted for one month.After color ultrasonography,the left parotid gland tumor resection was performed. Results: The operation was successful. The postoperative pathological diagnosis results comfirmed as CXPA,it was composed of three malignant components,including non-specific adenocarcinoma,ductal carcinoma,and myoepithelial carcinoma.Conclusion:CXPA composed of three malignant components at the same time are extremely rare.CXPA is difficult to diagnose and its prognosis is poor.The clinicians are supposed to improve the understanding of CXPA.