Human pathology

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pleiomorphic adenoma

Pleiomorphic adenoma of the salivary glands is a benign epithelial tumour occurring primarily in the major and minor salivary glands. It is by far the most common type of salivary gland tumour.

Etiology

  • promoter swapping between the genes for zinc finger protein PLAG1 and beta-catenin CTNNB1 in pleiomorphic adenoma with t(3;8)(p21;q12) translocations

Keywords