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Clinicopathological study of 12 cases of salivary myoepithelial carcinoma / 临床与实验病理学杂志
Chinese Journal of Clinical and Experimental Pathology ; (12): 174-177, 2017.
Article in Chinese | WPRIM | ID: wpr-513153
ABSTRACT
Purpose To study the clinical features,pathological manifestation and immunohistochemical phenotype and improve the diagnosis and treatment of myoepithelial carcinoma in salivary glands.Methods Histomorphology and immunohistochemical phenotype were analyzed after the sections were stained with routine HE and immunohistochemical methods,and the relevant literatures were reviewed.Results The tumours were predominantly composed of pale-stained clear cells.In some cases,plasma-like cells,epithelioid cells and spindle cells were also seen.The cells were arranged in nest,solid or cords.Mitosis was easily seen,cytological atypia was obvious and necrosis existed in 4 cases.The results of immunohistochemical staining showed that CK was expressed in all cases.EMA was expressed in 8 cases.p63 and CK5/6 were expressed in 11 cases.S-100 was expressed in 10 cases.vimentin was expressed in 4 cases.Calponin was expressed in 2 cases.SMA was expressed in one case.The proliferation index of Ki-67 was 5% to 40%.Conclusion The histological changes of myoepithelial carcinoma cells are diverse,and pathological and immunohistochemical methods are helpful for improving the rate of right diagnosis.Sugery is the main treatment for myoepithelial carcinoma.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Clinical and Experimental Pathology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Clinical and Experimental Pathology Year: 2017 Type: Article