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. 2014 Sep 15;12:287. doi: 10.1186/1477-7819-12-287

Figure 1.

Figure 1

Immunohistochemical staining of periostin in osteosarcoma and osteochondroma tissues. Periostin (PN) mainly expressed in the cytoplasm of osteosarcoma tissues. (A) H&E staining of osteosarcoma, ×100; (B) negative for PN staining in osteochondroma, ×100; (C) ++ for PN staining in osteosarcoma, ×400; (D) negative for PN staining in osteosarcoma, ×40; (E) + for PN staining in osteosarcoma, ×100; (F) ++ for PN staining in osteosarcoma, ×100.