Additional file 2.
Figure S1. Diagnosis of GH-secreting pituitary adenoma with H&E and immunohistochemical staining. Panel A indicated the microphotographs with H&E staining for growth hormone pituitary adenoma sections. A strong and diffuse acidophilic staining was shown in the cytoplasm of tumor cells. (original magnification, 200×). Panel B indicated microphotographs of immunohistochemically stained tumor sections, the tumor shows strong and diffuse staining for growth hormone antigen (original magnification, 400×).
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Mao et al. Diagnostic Pathology 2010 5:79 doi:10.1186/1746-1596-5-79