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  Indian J Med Microbiol
 

Figure 1: (a) A case of follicular variant papillary thyroid carcinoma composed largely of irregularly shaped small- to medium-sized follicles with nuclear features of papillary thyroid carcinoma. There are no papillary structures. In the same case, positive membranous staining with HBME-1 (b), positive staining with cytokeratin 19 (c), and no staining with CD56 (d) (a: H and E×100; b: HBME-1×100; c: CK19×200; d: CD56×100)

Figure 1: (a) A case of follicular variant papillary thyroid carcinoma composed largely of irregularly shaped small- to medium-sized follicles with nuclear features of papillary thyroid carcinoma. There are no papillary structures. In the same case, positive membranous staining with HBME-1 (b), positive staining with cytokeratin 19 (c), and no staining with CD56 (d) (a: H and E×100; b: HBME-1×100; c: CK19×200; d: CD56×100)