A 1 ´ 1 cm pedunculated lesion of the soft palate was described microscopically as being composed of projections of benign epithelium supported by small amounts of fibrovascular tissue. This describes which of the following?

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The microscopic description of a 1 x 1 cm pedunculated lesion of the soft palate composed of projections of benign epithelium supported by small amounts of fibrovascular tissue is consistent with the diagnosis of squamous papilloma. Mixed tumors of salivary gland typically have a more complex architecture and are not usually pedunculated. Keratoacanthomas are typically dome-shaped, with a central keratin-filled crater and rapid growth, which is not typical for this lesion. Focal fibrous hyperplasia would appear as a firm, non-pedunculated mass of fibrous tissue upon microscopic examination. Mucous extravasation phenomenon would present as a cyst filled with mucin.

A 1 ´ 1 Cm Pedunculated Lesion of the Soft