Figure 2From: Renal artery stenosis due to neurofibromatosis type 1: case report and literature reviewPathology result of subcutaneous nodules. (a) Hematoxylin and eosin (HE) staining of subcutaneous nodules revealed the diagnosis of neurofibroma accompanied by mucinous degeneration (magnification × 40). (b) Immunohistochemistry staining for S-100 protein was positive (magnification × 40).Back to article page