Pleomorphic adenoma is classified as which type of tumor?

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A salivary gland tumor originating from teratomatous tissueA tumor arising from neuroendocrine cellsA growth caused by multiple ectopic tissues in the salivary glandA tumor derived from myoepithelial or ductal reserve cells

Explanation

Pleomorphic adenoma is actually a tumor that originates from neuroendocrine cells, distinguishing it from tumors arising from teratomatous tissue, ectopic tissue proliferation, or myoepithelial/ductal reserve cells.