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  Indian J Med Microbiol
 

Figure 1 Papillary thyroid carcinoma immunohistochemistry. (a) PTC on top of HT showed diffuse positive HBME-1 expression (×100). (b) PTC without previous history of HT showed diffuse positive HBME-1 expression (×400). (c) PTC on top of HT showed diffuse positive CK19 expression (×400). (d) PTC without previous history of HT showed diffuse positive CK19 expression (×400). (e) PTC on top of HT showed negative CD56 expression (×400). (f) PTC without previous history of HT showed negative CD56 expression (×400). CD56, cluster of differentiation 56; CK19, cytokeratin 19; HBME-1, Hector Battifora mesothelial-1; HT, Hashimoto’s thyroiditis; PTC, papillary thyroid carcinoma.

Figure 1 Papillary thyroid carcinoma immunohistochemistry. (a) PTC on top of HT showed diffuse positive HBME-1 expression (×100). (b) PTC without previous history of HT showed diffuse positive HBME-1 expression (×400). (c) PTC on top of HT showed diffuse positive CK19 expression (×400). (d) PTC without previous history of HT showed diffuse positive CK19 expression (×400). (e) PTC on top of HT showed negative CD56 expression (×400). (f) PTC without previous history of HT showed negative CD56 expression (×400). CD56, cluster of differentiation 56; CK19, cytokeratin 19; HBME-1, Hector Battifora mesothelial-1; HT, Hashimoto’s thyroiditis; PTC, papillary thyroid carcinoma.