21 October 2025
: Case report 
High-Grade Angiosarcoma Transformation in Schwannoma and SMARCB1 Mutation: A Case Report
Challenging differential diagnosis, Unusual setting of medical care, Rare disease
Lydia Mbatidde ABCDEF 1, Rohit Sharma ABDE 2, Michael J. Michalske ABCDE 2, Jaswinder Chalia ACDE 3, Adedayo A. Onitilo
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DOI: 10.12659/AJCR.947742
Am J Case Rep 2025; 26:e947742
Figure 5 Epithelioid angiosarcoma arising in a schwannoma, extending to the peripheral resection margins(A) Arrows: CD31 + shows a bit of weak and granular staining around the malignant cells in areas of epithelioid angiosarcoma. (B) Arrow: Patchy positive CK (highlights epithelial or epithelioid-like cells).