Pregnancy Tumor in a 31-Year-Old Female with a Facial Port-Wine Stain

Figure 4

Hematoxylin and eosin (H&E) stain on low power (×20, (a)) magnification reveals numerous vascular channels in a background of fibrous connective tissue. A mixed inflammatory cell infiltrate is scattered throughout the stroma. Surface epithelium is present. On high power (×100, (b)) magnification, thin walled blood vessels are revealed, lined by endothelial cells. The stroma contains fibroblasts and inflammatory cells.

(a)

(b)