<prompt> Lymphoid tissue is seen in which parotid tumor -Pleomorphic adenomaWahins tumorAdenoid cysticMucoepidermoid  <response>: Answer- B. Wahins tumorOn microscopic examination, cystic spaces are lined by a double layer of neoplastic epithelial cells resting on a dense lymphoid stroma.Wahins tumor is the 2nd most common salivary gland neoplasm after pleomorphic adenoma. 