retiform hemangioendothelioma
Histologic Features
- An arborizing network of thin-walled vessels
- Thin endothelial cells with prominent apical neuclei that protrude into the lumina
- Intravascular papillae formation with hyaline collagenous cores
- Solid areas of spindle and epithelioid cells
Updated Wednesday, July 31, 2013 8:30:48 PM