fig3

Figure 3. Histologic examination of the surgical specimen. (A-C) Numerous cystic structures with papillary projections showing an infiltrative growth pattern within the connective tissue stroma. The epithelial lining forms papillary projections within the cystic lumina; (D) the cystic lining consists of epithelial cells varying from large cuboidal to tall columnar, with admixed mucous cells, showing only mild nuclear pleomorphism. HE stain, ×200 in A-C and ×400 in D