Fig. 4From: Cerebral hemorrhage due to amyloid angiopathy that was difficult to differentiate from breast cancer metastasis: a case reportPathological features of the tissue surrounding the hemorrhage. A Hematoxylin and eosin (HE) staining: brain tissue surrounding the hemorrhage (× 40). B HE staining: walls of small arteries (blue arrows) were thickened (× 200). C Congo-Red staining: green birefringence was observed under polarizing microscope (blue arrows), indicating amyloid deposition (× 200)Back to article page