A challenging case of sclerosing polycystic adenoma of the parotid gland: a case report and brief review of the latest updates
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Sclerosing polycystic adenoma (SPA) is a rare neoplastic salivary gland lesion with only about 100 cases reported worldwide so far. The lesion is confused with several malignant and other benign tumors such as apocrine intraductal carcinoma (IC), salivary duct... ...