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Figure 4: H and E (a-d) Immunohistochemistry (e-h) Photomicrographs of Case 3 (a) Typical solid and cystic areas (×100). (b)“Type 2 papillary”-like areas (×200) and (c) “Oncocytoma-like” areas seen (×100). (e) Large voluminous cells (×400) with (e) Eosinophilic and Hobnail cells present (×400). (f) Histology shows admixture of clear and eosinophilic cells (×200). (g) On immunohistochemistry, cytokeratin 7 is focally expressed (×200) while (h) Cytokeratin 20 is diffusely expressed (×200)

Figure 4: H and E (a-d) Immunohistochemistry (e-h) Photomicrographs of Case 3 (a) Typical solid and cystic areas (×100). (b)“Type 2 papillary”-like areas (×200) and (c) “Oncocytoma-like” areas seen (×100). (e) Large voluminous cells (×400) with (e) Eosinophilic and Hobnail cells present (×400). (f) Histology shows admixture of clear and eosinophilic cells (×200). (g) On immunohistochemistry, cytokeratin 7 is focally expressed (×200) while (h) Cytokeratin 20 is diffusely expressed (×200)