Figure 2

Immunohistochemical staining, Brown particle was regarded as positive staining signal. (a), Immunostaining of Calponin (200 ×), Calponin antibody was from Zhong Shan and was 1:100 diluted; (b), Immunostaining of S-100 (200 ×), S-100 antibody was from Zhong Shan and was 1:80 diluted; (c), Immunostaining of cytokeratin (200 ×), CK antibody was from MaiXin and was 1:60 diluted; (d), Immunostaining of desmin (200 ×), desmin antibody was from Zhong Shan and was 1:80 diluted; (e), Immunostaining of EMA (200 ×), EMA antibody was from Zhong Shan and was 1:80 diluted; (f), Immunostaining of GFAP (200 ×), GFAP antibody was from MaiXin and was 1:80 diluted; (g), Immunostaining of human melanoma black45(HMB45) (200 ×), HMB45 antibody was from MaiXin and was 1:80 diluted; (h), Immunostaining of Ki-67 (200 ×), Ki-67 antibody was from Zhong Shan and was 1:80 diluted; (i), Immunostaining of microglobulin (200 ×), microglobulin antibody was from Zhong Shan and was 1:80 diluted.