Recurrent Pleomorphic Adenoma of Submandibular Region
Pleomorphic adenoma is the most common salivary gland tumor on the head and neck region . Metastasizing pleomorphic adenoma is a rarely detected form of clinic antity [2,3]. According to the World health organisation the characteristic of this tumor is benign in histologically but distant or local metastasis are possible . The cases are related with parotid gland (74%), minor salivary gland (17%) and submandibular gland (10%). Also only 17% of the metastazing pleomorphic adenoma is related with previous pleomorphic adenoma.
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