Sandbox:DDx HEENT
- Develop in the first weeks after birth
- Rapid growth over a period of months
- Self involute
- Ripe-strawberry or bluish swelling
- Disorganized proliferation of dilated ,thin walled , leaky blood vessels with numerous red blood cells
- Lined by atypical endothelial cells
- Intravascular calcification and thrombosis
- VEGF over expression