Polyostotic Fibrous Dysplasia with Epiphyseal Involvement in Long Bones: A Case Report

Figure 4

Microscopic findings of the excised lesion in the distal epiphysis of the right femur. Spindle cells grow in storiform pattern around haphazard bony trabeculae and fibrous tissue stroma. There is lack of osteoblast rimming surrounding the trabeculae. (hematoxylin and eosin staining; ×400).