Case Report

Solitary Fibrous Tumor of the Central Nervous System: A Report of Two Cases with Emphasis on Diagnostic Pitfalls

Figure 4

H&E solitary fibrous tumor WHO grade II. (a) Diffuse hypercellularity with minimal intervening stroma (4x). (b) Hypercellular tumor with staghorn-like vessels (10x). Immunohistochemically tumor cells show patchy and weak staining with CD34 (c) and show diffuse and strong staining with STAT6 (d) (40x).
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(b)
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