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Pleomorphic adenoma

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sujatabyahatti's picture
Joined: 19 Dec 2010

The benign mixed tumor is a neoplasm arising from ductal epithelium of major and minor salivary glands exhibiting epithelial and mesenchymal components. Clinically the benign mixed tumor accounts for 75% of all salivary gland tumors,80% are found in the parotid gland.4% in the submandibular gland ,1% in the sublingual gland and 10% in the minor salivary glands. This tumor typically occurs in the fifth decades of life as a slow growing, unilateral, encapsulated, asymptomatic mass. A slight female predilection exists. Recurrence occurs in 50% of cases after excision. Malignant transformation is reported in up to 15% of untreated cases.


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