The Expression of Snail, Galectin-3, and IGF1R in the Differential Diagnosis of Benign and Malignant Pheochromocytoma and Paraganglioma

Figure 6

IGF1R immunostaining in PHEO and PGL. (a) Intense cell membrane and cytoplasm staining of IGF1R in positive control tissue (breast carcinoma) (Zeiss imager ×200). (b) Intense cytoplasm staining of IGF1R in PPGL tumor tissue (Zeiss imager ×400). (c) Intermediate cytoplasm staining of IGF1R in PPGL tumor tissue (Zeiss imager ×400). (d) Negative cytoplasm staining of IGF1R in PPGL (Zeiss imager ×400).

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