Fig. 3
From: Cellular angiofibroma of the female pelvic cavity: a case report
A (magnification ×250): the hematoxylin-eosin staining specimen shows a spindle cell tumor with dense cellularity, abundant eosinophilic cytoplasm, mild nuclear atypia, and a highly vascularized stroma, with areas of hyaline degeneration. B (magnification ×100): immunohistochemical staining reveals cytoplasmic positivity for CD34. C (magnification ×100): IHC staining revealed cytoplasmic positivity for β-catenin. D (magnification ×100): IHC staining revealed negative for S-100