Fig. 3
From: Needle tract seeding of a sclerosing epithelioid fibrosarcoma in a biopsy tract: a case report
Histology at surgical treatment. Hematoxylin and eosin staining showing a proliferation of spindle-shaped cells with a high cell density in the hyalinized stroma, collagen fiber hyperplasia with hyalinization, and mucinous degeneration (a, b, c). Hyalinized stroma with myxoid change and metaplastic bone is observed (d). In immunostaining, vimentin (e) and epithelial membrane antigen (focal and weak) (f) are positive