Fig. 3
From: A rare lumpy inflammatory lesion of the orbit: a unique case report
Histopathological results for the lesion. A Fibrous-tissue hyperplasia is present, and the vascular wall shows scallion skin–like fibrotic changes. B Some of the fibrotic areas may be joined. C Additional infiltration of lymphocytes, plasma cells, and eosinophils in and around the vascular wall. D Positive expression of CD34 outlines the vascular endothelium. E Positive expression of IgG. F Negative expression of IgG4