Fig. 3From: Endolymphatic sac tumor: case report and literature reviewImmunohistochemical staining of ELST. The tumor cells showed positive reactivity with cytokeratin (Pan) (a), cytokeratin 7 (b), SOX10 (c), and vimentin (d). Positive reactivity of thyroglobulin (e) and S-100 (f) was not observedBack to article page